Holley Sniper Troubleshooting - Low Vacuum on Holley Sniper EFi.

Standalone Transmission Control Kit - For Carbureted Applications. I was having problems with my Sniper after about six weeks of trouble-free operation. Here is what is discussed below: – Read the Instructions Thoroughly. TPS issues??Well, our EFI Tech Expert, Scott Evans is here with the answer!💪We absolutely love helping folks be a success with their EFI Systems! There is n. I haven't had this problem since install, it's something that has come on in the last several months. If you have New and Unused, Incorrect, Damaged, or Defective Product you would like to return, you can contact Customer Service at (800) 638-0032 or email [email protected]. You can troubleshoot a Brother printer in several ways. I was not able to find a short in the system, but informed the tech that I have no intention. '99 Tacoma, Ford 302, Sniper EFI, Dual Sync Distributor, Ford Performance plug wires, Champion RC12YC plugs, 3G alternator, Mallory 6AL CD ignition, MSD "Vibration" Blaster Coil. Before making a costly and time-consuming trip to the dea. Holley Sniper EFI BBD tuning help - please :) I have been having some issues with my CJ7 with the i258 running the Sniper Holley EFI 2BBl BBD. ) with the Sniper HyperSpark CD box & Distributor and …. The Sniper would then dump fuel to combat the lean condition. Sniper Releases Diecast Retrofit Fuel Pump Modules. A/F ratio, acceleration fuel, fan controls, fuel modifiers, idle tuning, cold start enrichment, base timing, crank fuel, limiters, spark control, self learning settings are on the menu. When the truck was getting fed through the Quadrajet, my highway mileage was 10. Electric heaters are a convenient and efficient way to keep your home warm during the colder months. Reconnect the negative (-) battery cable. The Sniper 5” Dash Data Logger will also allow you. View and Download Holley Quadrajet Sniper EFI installation manual online. If you can find the install files you can install version 1. How solve fuel pressure problem on the Holley Sniper System. Manuals and User Guides for Holley Sniper EFI 550-516. Efi left a bad taste in my mouth and Ill stick with carbs until a more reliable efi system with off the shelf replacement parts is available. All spark plug wires are pulled away from any Sniper wiring, the handheld doesn't glitch at all …. A filter MUST be installed between the fuel tank and the fuel pump inlet. New install, AMC 360, runs bad, datalogs. Fuel Delivery; The Holley Sniper EFI is a great fuel injection system for many automotive applications. 4 Injector 4150 Super Sniper EFI (550-518 Shiny, 550-519 Black, & 550-520 Gold) QUICKSTART MANUAL SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen to exacting standards in our Bowling Green, Kentucky facility. Using the Holley Sniper EFI software (LINK),. A systematic approach to solving the problem is often the best way to track down and then correct engine problem, according to Kohler Power. A stab of the throttle results in fiery backfire through the throttle body, any acceleration underload also results in popping and sputtering. The LED display will also display your engine RPM while on. Earls Classic Hose and Hose Ends. I have to increase the spring tension by cutting both spring mounts to make things work properly. Positive & negative are direct to battery. Does the Data Monitor display legitimate cranking RPM? Does the Data Monitor display legitimate sensor values? Does a Datalog indicate any RPM . Sniper EFI V1 and V2 Revision Log. We’ve discussed this here: SNIPER 101 & Manifold Prep for Carb or Sniper. Holley Sniper EFI 550-511 Manuals. distributor dual sync distributor. Again, this assumes that you set the distributor up correctly with the 3. Individual service items are available for replacement of components. To make sure the ECU is getting an RPM signal, look at the "RPM" on the Initial Startup screen of the Sniper EFI handheld. Many classic car owners ask whether installing. Holley Sniper EFI Issues SOLD Holley Sniper EFI Self Tuning Fuel Injection System 550-511. • "Get From ECU" & "Send To ECU" - ECU Sync window: When you connect a laptop and go "Online" with the ECU, you first want to click "Get From ECU". Will adjusting the total timing down or the WOT timing get rid of the spark knock. Here's the current Configuration File. I think it's around a 520 inch BBF. I have progressive linkage that should kick in around 47% TPS, but I can't even get to that much throttle without a backfire. To start viewing messages, select the forum that you want to visit from the selection below. Stay up to date with the latest releases, events, promotions and. I've installed the Sniper 4500 on a 540 BBC with a HyperSpark CD box & coil. Apparently, this may help reset the Sniper. Mudford Garage•43K views · 17:27. For example, stone cold, the sensor reads 85°F when in fact my garage is currently at 70°F. 050 Exhaust: 246° • Lift @ Valve Intake:. There are a lot of wiring problems, vacuum leaks, and mechanical problems that people have, which they blame on the Sniper. Footage taken from Holley Carburetor Installation & Tuning DVD Skip to main content. roblox meme decal ids Holley gives good support, but the technical service phone lines can be a challenge. Unplug it and immediately plug to the Holley sensor and back to 68°F. AutomagicLS1 Discussion starter 392 posts · Joined 2009 Add to quote; Only show this user #1 · Oct 2, 2016 (Edited. I finally got the initial timing set and the engine starts, but runs at high RPM up around 1,200, and the monitor shows fluctuating timing. houston cannibal killer Wiring the Distributor is an easy affair as well: an input and output to the Sniper, two wires (+ and -) to the coil,a ground and a 12 volt source are all that's necessary. 31 and loaded into my Sniper ECU. All the settings are the same in the ICF. A basic datalog at idle will allow use to see what the Sniper is doing. Check the throttle body wiring (main harness). Holley guy says bad CDI box, but it's brand new. I have been having some issues with my CJ7 with the i258 running the Sniper Holley EFI 2BBl BBD. Note that the vehicle, 1975 Ford Ranchero, has been driven no more than a hundred miles since the Holley Sniper installation. Nov 10, 2021 · Cycle the ignition as instructed by the handheld and then navigate to the distributor setup screen. Apr 30, 2018 · 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL. Certain Sniper EFI kits include this coil driver module while others do no not. Start and idle fuel pressure is steady at 60 psi. Ideally suited for classic cars with carburetors, the unit regulates more precisely the flow of fuel into the engine, eliminating cold starts, flooding, and vapor lock. Sniper EFI 4150 Stalling, Handheld no data. Out of Holley’s many in-tank tank fuel options, we chose the Holley Sniper EFI fuel pump module kit based on its smaller size. To locate this screen, from the HOME SCREEN of the handheld, select the MONITOR icon, then select the "Monitors" screen. jpg (0, 225 views) Alternator-EMI-After. corgi rescues in florida We have 1 Holley Sniper EFI 550-516 manual available for free PDF download: Quick Start Manual. When the ground trigger is active …. I know it sounds like a lot, but luckily we're only dealing with DC circuits here. The Inductive Delay allows setting it to eliminate high rpm timing reading fluctuations. The CTS was reading about 30F too high, which was throwing off every single coolant based table the Sniper referenced. Holley offers Sniper 2 EFI kits that include a complete fuel system, eliminating the hassle of selecting individual fuel system components. Please be aware that this is a community forum. If internal pressure is low, the opposite is true, we would expect to see high Closed Loop values and high injector flow commands. Description 1 Dashpot Nut 2 Dashpot Assembly 3 Da shpot Bracket Screw 4 Dashpot Bracket 5 Throttle Lever Extension Screw 6 Throttle Lever Extension Nut 7 Lockwasher Extension Nut 8 Throttle Lever Extension 9 Solenoid Bracket Screw 10 Solenoid Bracket Screw 11 …. Spring Cleaning Sale - Big Savings! Troubleshooting - lack of power, sluggish. TOOLS REQUIRED FOR INSTALLATION. Would there be any problem using this line as the pressure …. 5 inch bds suspension lift, 1 inch polyurethan body mount lift. I thought that I read you could install them at the same time, or just figured that since they were made for. 3) The Sniper EFI SYSTEM creates a baseline FUEL Table, based on items 1) & 2) above. On a related note, I think your Target AFR of 11. To troubleshoot this issue, check all the connections between the …. Holley Sniper EFI 550-854 Holley Super Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish. Along with easy of installation and wiring, the new clear cap installation tool makes indexing your distributor a breeze. 1966 Mustang - 2880Lbs - 91' 302 [AFR165 , XE264HR12 , Perf RPM, Hooker Comps, Holley 600] - TKO 600 - 3. I have the Sniper EFI with fuel pump, HyperSpark coil, distributor & CD box. In early November I was having a problem starting my car with the Sniper. Recently been experiencing a hard to start issue. Then turn the key to engage the starter. Check for ignition misfires/RPM signal problems, exhaust leak upstream of WBO2 sensor, or if the WBO2 sensor (or other sensor) has failed and corrupted the Learn Table. How To Take A Data Log From Your Sniper EFI …. The HyperSpark is plugged into the green and purple connector and has clean ignition …. (Datalogs posted with truck driving and one of it idling. I bought a new holley sniper , dual sync dist. Cycle key off & restart engine. At this point, changes made with the laptop are real-time updated in the ECU. You will see the LED display light up and show [000]. Also includes bonus failures of the power steering system and header gaskets. For a comprehensive manual go to. I’ve had my Holley Sniper 870 for two years. I also have an in-tank Sniper fuel pump. I've run into a problem that I can not seem to solve on my new build. With the release of the Sniper 2 4150, Holley brings all of the Sniper family into V2 firmware and Software. Until it decides to high idle again. While troubleshooting, disconnect the Sniper main power and check the pins/sockets in the 7-pin connector to make sure one has not. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake, BBK 80mm throttle …. Engine started right up and ran great however on the first test drive about 3 miles from home it quit turned everything off about a min. You may have to register before you can post: click the register link above to proceed. Sniper has been running on truck for 3500 miles, SBC 383 and running pretty well. Holley Sniper EFI 550-516 Manuals. Learn how to check the MSD ignition, magnetic pickup, spark plug wires, timing, tachometer and other components for Holley Sniper ignition controls. Yesterday, after work, brought the car up on #1, then turned balancer to 50* BTDC, and swapped in the Dual Sync. We're Hiring! https://v8speedshop. Sniper EFI SD Card Contents - This file contains SD Card Contents for Sniper 1 applications utilizing V2 Firmware. Holley's self learning system is a blessing and a curse. How to Fix High fuel pressure with your Holley SniperAre you getting 70, 80 or 90+ PSI fuel pressure?This video shows the most common reason to have high fue. The Super Sniper has 3 inputs for pressure sensors. If you click "Send To ECU", you overwrite all the. Topics: 5,515 Posts: 52,413 Hemi swap exhaust system, and poor tech support problems. Wondering if it's a bad WBO2 sensor or stuck injector. section 131 gillette stadium He determined that the ECU was faulty, I sent it back and they said it was good. All Sniper wires are separated as far as possible from the spark plug wires, at least as far as possible with a SBC. 015 feeler gauge between the pump arm and the adjustment screw bottom. TROUBLESHOOTING: Every HyperSpark 2 EFI Ignition undergoes numerous quality control checks including a four hour burn-in test. Today I hooked the laptop up to the CAN Bus cable, turned the ignition to run, and clicked on the USB Link. Categories/ Plumbing AN Fittings and Hose. Overview Of The Holley 4150 Vacuum Secondary Carburetor. Most have an "LED Indicator" shown next to each as well. The cable ends on the throttle. Got a question about my Sniper. How To Install The Holley Dual Sync Distributor with Sniper EFI. ninestars trash can replacement lid Footage taken from Holley Carburetor Installation & Tuning DVD. Reconnect the appropriate vacuum hoses to the Sniper EFI throttle body. Holley offers tips on diagnosing hard starting engines that are already at proper operating temperatures. Manuals and User Guides for Holley Sniper EFI 550-511. The car is working, but the customer's mistake the first Wizard was made for the Super Sniper version. If it is returnless, a portion of the fuel flow will discharge from the pump back into the tank. 14 AWG 12 volt battery red wire too. Out of Stock (Temp) - Call to check. Holley Sniper on SBC with issues. Many users encounter issues when trying to access their italkbb accounts. Here is some basic split airconditioner control troubleshooting for a simple ductless split air conditioner or a simple electronics window air conditioner. Always securely connect the ground wire to a clean, paint free metal surface. fastest selling cars for $1000 Greetings 1965 Mustang Convert 289 V8 Holley Sniper EFI Holley Sniper EFI 550-851 Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish HOLLEY IN-TANK RETROFIT FUEL MODULE - 255 LPH Holley 12-130 Holley In-Tank Retrofit Fuel Module - 255 LPH New battery. See Figure 2 for correct linkage placement. I also put in new plugs and wires. 8 Injector 2x4 4150 Super Sniper EFI (550-531 Shiny, 550-532 Black, & 550-533 Gold) QUICKSTART MANUAL SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen to exacting standards in our Bowling Green, Kentucky facility. Have the air intake temp sensor and the water temp sensors plugged in. No problems with either system since. Should you experience any problems or need parts assistance that this quickstart. My first start it started and ran really rough for 5. , but that is part of the learning process anyhow. Always confirm with a timing light. Twice now I've had problems with the Holley fuel pumps failing. The Swaggart singers include Robin Herd, Randy Knaps, Andrew Holley, Joseph Larson, Martha Borg, Jill Swaggart, Grace Larson and Donna Carline. Examples of these kits are: 526-1 – Braided Stainless Lines, Billet Pump, Regulator, and Filters 526-2 – Pro-Lite 350 Hose, Billet Pump, Regulator, and Filters 526-3 – Super Stock Hose, Billet Regulator, 12-920 Fuel Pump, and Filter 526-4 – Super Stock Hose, Billet Regulator, 12-920 Pump, and Metal Filters. At times I even had amp draw of over 100 amps at idle and still no problems with old TBI injection from old truck. Swapped plug wires, as mentioned, vacuum hoses that were not reconnected, different pump configurations, etc. It defaults to 36 degrees total timing and I am set at 32 degrees at WOT. Rather than spend 25 bucks on a 5 dollar adapter, I cut the harness plug off of the Dual Sync and soldered new ends on the signal wires, to use with an MSD plug (like an MSD distributor has) MSD Part# 8824. Eric Rosendahl is an early EFI adopter and converted his 468ci big-block El Camino to a Holley Sniper throttle body fuel injection system right after it was introduced. Cast Iron Ford 351W heads with oversize intake/exhaust valves. If it starts then you have more of a tuning issue with the Cranking Fuel rather than a stuck injector or something. Engine temperatures around 200°F seem to cause problems on some installations. Introducing HyperSpark Ignition, from Sniper EFI. My initial firing of the engine started right up and ran pretty well through warmup. My problem is from off idle to full wide-open quickly, I can see AFR go lean and engine coughs and sometimes cuts off. The car , once warmed up, will not maintain constant idle when in Drive waiting on a light change. While these issues can be frustrating, many of them can be resolved with simple. After a year of issues, I added the HyperSpark system as well. Some of the problems relate to vacuum leaks & connections, ignition plugs, wires, egr valve and engine timing. Makes me wonder why some people have problems with spilling gas, especially on 69s. To make sure the ECU is getting an RPM signal, look at the “RPM” on the Initial Startup screen of the Sniper EFI handheld. MSD offers several different styles of Pro-Billet Distributors, so our first step is to identify your model. What I have: 454 Chevy Square Body. The voltage should increase smoothly from 0. Pro Dash Firmware Release Notes. I have already written twice without receiving …. Your BluePrint Engine will be equipped with a Holley model 550-510, or 550-511 (identical except for finish color) on 4150 flanged …. Jeep was running'ish when i started, basically new motor, was. Observing the temperature on the 3. Most have an “LED Indicator” shown next to each as well. When your printer is offline, it can be a frustrating experience. OK, so I went to troubleshoot the issue this afternoon and here is what I found: 1) Fuel pressure during prime was 62, all is well. Any permanent deformation on the plastic surface will cause it to be non-responsive. Turn power on to shift light by turning on keyed 12volts to red wire. I have an MSD Pro Billet distributor and an analog MSD 6AL CDI box. I have the standard 4150 Sniper along with the HyperSpark distributor, ignition control box & coil. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, …. I need some help troubleshooting a problem. There should always be a ground strap between the engine and the chassis. As of today, if you download the "Sniper EFI SD Card Contents" link for the support page for the Sniper EFI, you get firmware version fw_02_00_0310. To troubleshoot this issue, check all the connections between the harness and. The default coolant temperature range for the Holley Sniper is -40F to 260F. I have just completed the installation of a 671 Supercharger on my 454 Gen 6 BBC. I followed the instructions and set the IAC to 2-9% when warm with idle at 850 RPM. Dynatech long tube headers with 3" Dynatech exhaust. 1, but as soon as the IAC increases to 100% to try achieve 950 the AFR goes lean to 14. In this case, that means looking systematically a. Once you find the dead cylinder you need to check the spark plug, the coil and the plug wire. Sniper Problems 08-25-2017, 01:35 AM. It is a new install, all new sensors, ect, holley brand sensors. Sniper EFI) is powered in the "Run" and "Crank" key positions. eep file, Firmware folder/Documents) are included in the EFI software download. There's nothing, nothing, then it jerks forward. I tested a Holley replacement CTS sensor in hot water, verified by another thermometer, and both …. As the popularity of Amazon’s Alexa Echo continues to grow, so do the number of users who need help troubleshooting their device. Logging can be stopped and started via the 5” Handheld, with the SD card inserted, press Start to being the data log. Although there could be a number of issues causing this, one of the main p. I have a Holley Sniper EFI with HyperSpark ignition. These are prone to mechanical damage such as might have occurred during shipping or inadvertently during installation. Jump to Latest Follow 61 - 80 of 82 Posts. The regulator comes from Holley with the regulator pressure preset (see table). Simply slide the stripped wire ends under the positive lock connector and tighten down the set screw. Thanks to Sniper 2 converting to EFI just got a whole lot easier. I was just told by Holley not to use the Bosch 17025 oxygen sensor as it may damage the ECU, since it's not calibrated for the Holley Sniper EFI. Hello, new (I mean GREEN) to fuel injection. The original Holley Sniper instructions are available on the Holley website if you have misplaced them. Misfire & No-Fire HyperSpark Troubleshooting 12-21-2021, 07:48 AM. No data flashes and yet to have a good start. Always try to fix mechanical issues with your rig before installing an EFI system and always follow the instructions. This install is on a 2000 Ram 1500 2 door short bed full size truck. Your Sniper shift light is equipped with an easy to use LED menu. Atomic 2 EFI Handheld Contents. Holley's Sniper EFI kit for the Autolite 1100 is awesome, and we can't wait to get it installed! However, this is a new kit from Holley, and it was originall. Step 1 - measure your pressure. Hey guys, new to the form I just installed my first Holley EFI unit 550-510 with the HyperSpark ignition system controlling timing. Using base Sniper Config File and feel like my engine definitely does not like the base timing table. Using the handheld, navigate to Tuning > Basic > Basic Idle and ensure your target idle speed is set to the RPM you desire. happy birthday funny animated The '71 Blazer is still in the shop. Sniper with HyperSpark timing issues. It either has to be a bad rotor, a bad cap or a bad coil wire. I decided to upgrade to the HyperSpark distributor, coil, and CDI box. Sniper - No Data Issue - Need Help. You become the ECU control of the fuel pump. Inspect/troubleshoot/service the fuel system (fuel pump, cavitation, plumbing, voltage, filters, pickup tube, tank. It's been taking up most of my shop space for over nine months and my business and home life have suffered greatly, not to mention Holley's reputation with. The first set of injs lasted long enough to run the Power Tour. 5) Car consistently idles correctly after a key cycle. Also, I would recommend anybody using the Sniper look at the Holley EFI "Analog Style EFI gauges". The HyperSpark is plugged into the green and purple connector and has clean ignition power. Begin by inspecting the contents of your Holley Sniper Master Kit. This source must have 12v while cranking and in the run position. Look for the list number on th. If replacing the TPS: The TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. Even C3 owners who live in the frozen tundra, don't typically take their C3s out into the frozen tundra conditions. I'm having a really hard time with my Sniper & HyperSpark setup. Spending much time on the Holley Performance forum and have read installation instructions, …. I confirmed this with a Holley tech when I called the other day. If still not zero, turn on the ignition and take a 15 or 20 second datalog that also contains a start. We've Transferred Learning To Base several times and turned down Learn %. The EFI (laptop/PC) software, ECU firmware & touchscreen unit must all be version compatible ( LINK ). Jul 4, 2023 · Warm Starting Issue. May God's grace bless you in the Lord Jesus. Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. I recently finished the full install of the sniper EFI system, sniper fuel tank w/ internal fuel pump along with the hyperspark ignition and timing. GPatrick recommend doing since my 11-22-21 file was setup for. On the Holley Sniper forum, there are many failures of the O2 sensors, coolant sensors, and regulators. I replaced the gas tank (Tanks, Inc. However, I've installed two Sniper systems without spark control and a Super Sniper with spark control the large CDI profile box with no problems and they started right up. com/products/fuel_systems/fuel_injection/sniper_efi/. 496 BBC/Sniper 650 Acceleration Problems 03-09-2020, 09:36 PM. Sniper Transmission Controller for Sniper 2. Took me 4-5 hours to do the wiring again, but it was worth it. If you unit is shutting down and then you have to wait to restart then you're probably on the right track with CPU heat. Unfortunately, there are long wait times for a new unit. It's slotted, so install it in the same position. If you can't get it to idle properly, take a datalog and post it here. Sniper EFI Firmware Revision Log. The Sniper Stealth 4500 EFI system has a 2⅛-inch throttle bore and is outfitted with eight 100lb/hr fuel injectors for a total of 800lb/hr fuel flow. Holley Sniper EFI 550-867K, 550-868D, 550-867, 550-867D, 550-869, 550-868, 550-869D, 550-868K, 550-869K Table of contents View Add to my manuals 76 Pages. ) Go to the handle (little square box) for the temperature immediately to the left of the current CTS reading and move it all the way down to zero. This number is stamped on the carburetor and is preceeded by a letter. Truck fires right up and runs great even at these temps, but on two occasions it suddenly stumbled on acceleration and continued to run poorly. First off, I picked up a 1984 GT350 a couple of years ago that had most of the original parts in it yet, including the dial snorkel air cleaner. How to Correctly Install and Troubleshoot your MSD Digital 6AL Ignition Box. The problems start over after a few minutes of driving. I removed the orange wire from Holley Sniper and Vintage Air stopped going crazy and it's working normal. All over the place (from 9K to over 15K) They are new ACDelcos so I …. May 25, 2017 · On a new-build I swapped over to the EFI sniper and dual sync distributor on a 383 big block Mopar with 810 Mi break in. Holley Sniper EFI 550-853 Holley Super Sniper EFI 2300 Self-Tuning Kit - Black Ceramic Finish. Direct plug in and even has a longer harness. The PDM integrates three relays: one for the throttle body, one for the fuel pump, and one for a 25-amp electric fan while including diagnostic lights to help with troubleshooting. With a timing light you should see 15° as step 1 of distributor synchronization. I will say this from experience. Problem is, it can start fine & run in idle. Also swapped out the computer controlled distributor for a vacuum. My only complaint is I think it's very slow to come back to idle when coming to a stop light (manual transmission). For faster service, please include your order/PO number, part …. 2) The handheld still read "No Data" in red on all Initial Startup gauges and the fuel pump kept. Uninsulated connectors, good crimpers and marine heat shrink. Holley’s Sniper EFI BBD kit was designed for use on 1971-1986 Jeep CJ’s with this engine combo, and although you probably won’t see these numbers from your trusty inline 6, a pair of 100 pound per hour injectors, make Sniper EFI BBD more than capable of supporting up to 350 hp naturally aspirated. If RFI/EMI problems have you frustrated, consider reading my longer post on: Solving RF Interference Issues in Sniper Installations over on our website. You need to study RFI/EMI and understand transducer vs transmitter and how it relates to communication wiring. If your adding a second relay in series, the blue wire becomes a trigger. Join Date: Dec 2009; Posts: 35970; Share Tweet Nothing I did resolved the TPS issue so I called Holley Tech, went over my troubleshooting efforts with them and the consensus of two Techs and their Supervisor …. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. There is also a "Software Help" file for download there that you should save and read. I have a buddy trying to update the FW on a Sniper, and he's getting a Searching For ECU message on the 3. My AFR reading is bouncing around 12 to …. 573” • Lobe Separation: 112° • Intake Centerline: 110°. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. Any plug wire near the Sniper is capable of generating enough EMI/RFI to cause problems. We have 1 Holley Sniper EFI 550-511 manual available for free PDF download: Quick Start Manual. " I'm getting ready to add a CDI box & timing control. Sniper Transmission Controller - Service Unit. A simple list of problems in no particular order: 1) If the cold engine CTS value is 10 or more degrees higher than the MAT the CTS sensor is bad and the engine will not get correct temperature enrichment. It was tuned with the stock air cleaner on it. Pedro Gasc is the choir director. I’ve had my Sniper EFI on my Chevelle for approximately one year. How to install the easy to use Sniper EFI Hyper Spark Ignition System. Discover the power of the Sniper 2 EFI Bluetooth Module. If you have any problems when following this quick start guide, STOP, and follow the detailed step by step instructions to address the issues. Tighten the distributor hold-down bolt to secure the distributor. BASIC INFORMATION The Mallory Gerotor style COMP Pumps are more for-giving than vane style pumps, but it is still important to insure they are properly mounted and receive clean fuel. 5" TSLCD (553-202), to the M8 Sniper 2 EFI User Interface cable. We've been troubleshooting various bits & settings, replaced the WBO2 sensor, new spark plugs, Cleared Learn Table and reset what we could, confirmed good fuel pressure, chased down possible wiring issues (none) and still the issue persists. Our current headache is the throttle is very, very touchy from 0 to getting moving. A datalog is needed to be sure, but first for the Closed Loop the only box you should check is the enable Closed Loop box. At idle your AFR is in the 12s against a target of mid 13s. 5" TSLCD and the ECU, the ECU is. Fortunately, the solution is really easy. You have to be extremely careful cutting/prying it apart. operations much be performed within the Holley EFI software. Having said that, there certainly are Snipers that go bad. Removed all the unused wires from harness and wrapped all the remaining wires and harness with rfi shielding tape. This is a great time to visually inspect the overall Sniper EFI install. Are you having ECU resets or EMI issues after installing HyperSpark on your Sniper EFI system? Join the Holley Performance Products Forums and get help from other users who have experienced and solved similar problems. Sniper Stealth 4150 tip-in issues. Holley EFI Troubleshooting: A 3% Error Caused THIS! Want to Learn How To TUNE Holley Efi, Terminator X, and Sniper? https://www. Holley Sniper EFI Quick Start Manual: IDLE SETTING/THROTTLE BLADE SETTING Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. Sniper EFI Troubleshooting Guide - Pre-start checklist - Sensor verification - No Start Conditions - Holley EFI Display Software If you're updating your EFI software, ensure …. kaiser doctor note template If not then you need to inspect the pump diaphragm for a hole or tear. Sniper EFI Software Download and extract the program from the "zip" file and run it to install the Sniper software for your PC. He had experienced some interference from the distributor in other cars and recommended putting one on. com configurator to shop now and see the latest available features - https://www. If so, you may have to slightly back-off the idle speed screw, so the TPS Position always returns to 0%. hotshot jobs houston If you're installing a Sniper EFI system and almost ready to crank it over for the first time, this is the video for you! Subscribe now to make sure you don'. • Check the switched (keyed) 12 volt red/white wire connection. Inspect/troubleshoot/service the fuel system (fuel pump, cavitation, plumbing, voltage, filters, pickup tube, tank venting, etc. Have to turn key off wait a few minutes and it'll restart. Holley offers a variety of fuel …. Replaced one with a Holley OEM 02 and the second was with a bosch equivalent. 80s - 225/50r16 Fronts 245/50r16 Rears. Sniper EFI HyperSpark Ignition Coil. I'm in the process of installing the Sniper system in a 1987 Firebird 305 engine. Holley Sniper won't idle and running very rough. My setup is as follows: 351C, Holley Sniper EFI 4150, HyperSpark, Crane Cams ignition box. (Holley Sniper EFI Technical Information & Troubleshooting) May God's grace bless you in the Lord Jesus Christ. For the Learn, you also need to uncheck all boxes other than the base fuel learn enabled box. Support / Troubleshooting Techniques. Joined Dec 25, 2014 · 1,643 Posts #61 · Aug 1, 2023. I was out last weekend, cruising at about 45 MPH when it backfired, quit running and wouldn't start again. The small pink wire will still power the 3. And as of today I have exhausted all research, reading and troubleshooting for my Holley Sniper. As I'm sure most people here know, EFI plus no RPM equals no start. The fuel prime functio n injects a small shot of fuel into the intake manifold 2. Replace the CTS if it reads high. ), installed an in-tank electric fuel pump, Holley fuel filter and pressure. It felt like it was flooding out at low speed, low RPM. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Once you get the idle dialed in, you …. This PC > Documents > Holley > Sniper > Config Files The data log will open to be viewed. Not only does the Sniper EFI BBD offer superior throttle response and WOT …. The Chrysler Town & Country has several known defects and design flaws that you may need to troubleshoot before replacing any components. Car turns off and refuses to turn back on. Sniper EFI Initial Startup and Troubleshooting. Same with wiring, precision is never overkill, agree to use power and ground that align . Holley Releases 1964-70 Mustang Muscle Car EFI Pump Modules. It's also very rich, I've made a few adjustment from things I've read on this forum, but now I'm stuck. 5 and never changes until it's warmed up. My mechanic has gone through everything several times and. Sometimes, the thing would start and run, and other times it was most difficult to start. Modifying AMC oiling for performance. Update though, I did a bit more troubleshooting and tested resistance on my spark plugs. The engine will need a good ground to the frame or battery. Ignition and Electrical Components. Adjusting the iac hold position to decrease the noise/whistle and we also discover how much smoother it becomes on deceleration. michael petherick doing it ourselves I setup the distributor with the rotor, pointing at the number one cylinder, and the distributor is also locked out so they Sniper will handle the timing. It's fairly easy for pump gas performance cars. It runs and drives really well, but just randomly loses the ground signal on the small blue wire to the fuel pump relay. 3 worked, one was a dead player. 700R-4 ProBuilt, Moser 12-bolt with 3. Of course, defective alternators & magnetic pickup distributors can cause problems too. It is only intended to get a vehicle running with one of the base calibrations provided. Also exhaust is replaced, no leaks. My intention when I bought the truck from a guy from Oregon in 2015 was. I hope this is helpful! Chris Myer. 5 speed ZF5 manual transmission with 3. Also in Plumbing AN Fittings and Hose. SNIPER EFI automobile accessories pdf manual download. With no flow at the Sniper, 100% of the pump flow will be discharged back into the tank. Terminator X V2 SD Card Contents. Sniper Stealth 4150 HyperSpark ignition box w Dual Sync Distributor I made the RoC TPS and MAP value changes when trying to troubleshoot an issue where the car would stall in …. Both red & black wires are going directly to the battery. In this article, we will provide you wi. They have two riv-nuts each to …. The Sniper has no idea where the IAC is. When you have the car running, assuming that it's not now, borrow or purchase a cheap aftermarket tach and wire it up independently of any factory wiring and see if it works. I choose the 770 since my engine is modified with heads, cam, and trans gearing. Line appears to be in good shape with no rust. Ultimately, troubleshooting a Holley Sniper EFI problem requires patience and attention to detail. Someday you may need to take a data log from your Sniper EFI system. Holley Sniper on '71 Charger: install thoughts/opinions. Ultimately, I ordered everything from Holley and all in I'd say my total spend was around $2000. It's been on the car now for over two years and he couldn't be happier with how well the big Rat motor runs. Holley's Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. If you have problems registering or can't log into your account, please contact Admin. The screen opens comparing the Sniper to the laptop, but never finishes comparing. Most Sniper EFI users have no problems, and Learn self-tunes the engine just fine. The PDM requires its own specific Sniper 2 wiring harness. Feb 9, 2024 · '92 Ford Mustang GT: 385"/6. sniper 2 sniper 2 upgrade sniper efi 2. NOTE: This manual is a “quick start” manual. Are you having trouble with your Maytag washer? Don’t worry, you’re not alone. With dual-plane & AFR 195 heads, made 350 HP to the tire. I’ve got a 350 SBC with a Holley Sniper system in my 80 series Land Cruiser. phish show ratings Only soft sections are 20 cm between the tank & line, and between line & pump. I'm running the 4bbl Sniper with the Hyperspark box/coil and Dual-Sync distributor. I am the owner of a 1979 F150 short bed 4x4 (4-speed manual trans). If replacing the TPS, the TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. HyperSpark ignition Ignition Basics. Ohms readings on 20K Ohm scale on digital Fluke meter and all three sensors in the shop and up to shop temp of 70°F tested on the tip of all three to verify the same temp with the IR temp gun. That allows the system to support between 800. "We moved the ECU to the side and redesigned it from the board up, all new hardware, new firmware, new drivers, new. Fortunately, a few simple diagnostic s. This Holley sniper is brand new, including new tank/lines/ in tank pump ect. Decrease pressure by turning the adjustment screw counter-clockwise. If, after exploring the suggestions, you still have a. Originally Posted by Danny CabralThis covers the basics:1) An ICF is one of the I ndividual C onfiguration F iles (menu icons) at the top Toolbar of the EFI software. The most popular MSD distributor is our standard Pro-Billet model. Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen to exacting standards in our Bowling Green, Kentucky facility. Checked the connector and they look fine. Recently installed sniper, started having issues: Sniper power unit cycling on/off quickly. After this has been done, if I shut down and then plug back into the Sniper the car runs fine for about 10 minutes then the calibration/readings go off the charts. And then the Sniper would add fuel thinking the engine was running a lean condition. 1 other weird thing was it had a bad fuel pressure sensor when I first got it, put a new sensor on it and no problems with it. Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not …. 5 " touch screen to power up), wetting the intake and allowing the engine to start …. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. Had engine start & idle, then shut it off only to not be able to get it started again. Install the Coolant Temperature Sensor . The IAC moves the piston back and forth. Thanks for the input, though, a bit disappointing to hear that zip ties are the generally accepted solution. The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. Cold startup 40°F it struggles to run. And expert sniper bbd guys on here. If your fridge isn’t keeping your food cold, it can be a hassle to figure out what’s wrong. The adapter that Allred developed can be seen here sandwiched between the throttle body and the intake system. Hello, I'm new to this so be patient please, LOL. So the ecm adds fuel only making the situation worse. Sniper won't go into Learn mode & randomly died. The magic plastic cap will get you close but not exactly synced. So I decided to purchase the 550 Holley Sniper EFI 2300 Self-Tuning Master Kit (550-849K), Sniper EFI HyperSpark CD Ignition Box (556-151), Holley Sniper EFI HyperSpark Ignition Coil (556-152), and Holley Sniper EFI HyperSpark Distributor - GM V6 (565-317). Check for excessively retarded ignition timing. Feb 17, 2018 · The Sniper EFI calibrates the TPS sensor at every key-on event. My laptop does communicate with the Sniper and shows live data, but the touchscreen does nothing. This is, of course, if you take good care of it. Then after the system was up and running, guys on the Sniper forum advised me to have someone build me a custom tune for the car at an additional cost of about $250 …. What I found was plug wires routed near the rear of Sniper. Originally Posted by Danny Cabral A loud fuel pump is usually an indication of fuel pump cavitation or maybe a clogged filter (s). Engine reacts just as before, surges, loads up, smokes and then quits. Check your spark plug wire positions, the seating of the plug wires on the cap. craigslist bolivar mo I set the idle to 800RPM and it keeps jumping from 750RPM to 875RPM while idle. The fragile screen and circuit board are within a 1/4", or less, of the perimeter of the case. I've been running the Sniper EFI on my car for a couple years now. Other potential problems could be a vacuum leak at one of the Sniper ports or other connections to the manifold or an improperly seated base gasket. With rapid acceleration of the throttle, fuel pressure will drop down below 30, then will recover back to 60 psi. I find the most helpful datalog function, is overlaying the datalog on your Config File. The ECU was receiving a A/C on signal and reacting by turning Fan #1 on per system settings. I will try and make this series of posts and videos as thorough as possible so you can make a better-informed decision on fuel injection and understand the build process from a real perspective. A few Snipers have loose fuel injector wires and the ECU can die for various reasons. MSD Troubleshooting Techniques. The problem I experience is that after driving for about 10-15 minutes, the car starts idle to high. He called Rich and he helped him fix the problem. This is on a '68 Firebird 350, manual transmission, pretty stock. I have an inj flow bench, so I ran all 4. 4) Cycled the key with the IAC motor unplugged during high idle condition and the high idle condition continues when cranked back with the IAC motor unplugged. Neither of these are especialy vexing problems but nice to have fixed. Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. Enjoy all the benefits of EFI by upgrading to this Holley Sniper system—with performance. The Killshot EFI offers a fully adjustable software suite, enabling a high degree of customization for users. My symptoms luckily were similar to most everyone with EMI and RF issues, so Ethan Moss with Holley tech service was a huge help in getting me a leg up on the issues that I was experiencing. Sniper EFI HyperSpark CD Ignition Box. Trouble is, all that does is make for a richer mixture than the engine can handle, and start causing other problems like plug fouling, O2 sensor fouling, back …. Please post technical discussion regarding product in the user discussion spaces in the brand areas. NOMENCLATURE - MODEL 4150/4160 Ref. I just helped a guy put a 4150 on his. Turn on the ignition, start a datalog, and attempt to start the engine. 5-inch handheld (only), wait for the temperature to achieve 160 degrees F. Delonghi has made troubleshooting and repairs easier than ever with their comprehensive manuals available onli. May 16, 2022 · 05-16-2022, 09:34 AM. Going to run voltage wires away from signal wires tomorrow, give it a try. Unless your dishwasher is part of the massive Bosch dishwasher recall, your unit should last you a decade or more. The “PC Text” indicates what will be shown on the PC/Laptop data monitor or data logger. If you're installing a Sniper EFI system and almost ready to crank it over for the first time, Sniper EFI Initial Startup and Troubleshooting. Spring Cleaning Sale - Big Savings! Troubleshooting - engine starts and stalls. WARNING: Carefully protect the open end of the fuel lines, so that no foreign particles can enter. Holley Sniper First Start FAIL!! 38K views Sniper EFI Initial Startup and Troubleshooting Holley Sniper 1 vs Sniper 2. Currently I have low-speed come on at 180°F then turn off at 170°F, high speed comes on at 185°F and turns off at 175°F. Shop Troubleshooting - engine cuts out or misses. Hey guys, having some trouble with a full holley install, got everything wired up, unused vacuum lines capped, ran new fuel and return to the tank, installed hyperspark dist, coil and ignition module to make it easier on myself. Every Sniper EFI System is 100% …. Recently installed a holley sniper efi system on my 67 6cyl easy install and system setup with the handheld. This is easily identified by a 2-pin connector, with one Violet/Black wire and one Orange/Black wire that connect to the magnetic …. Learn how to check for potential problems with Holley EFI systems, such as fuel pressure, injector pulse, and spark output. Using the MSD Pro 600 CDI with Holley EFI. However, with a little time and effort, most problems can be successfully diagnosed and resolved. Holley EFI Helps Bring Squarebody Syndicate's 1975 Indy 500 Tribute Truck to Life. I then have to unplug the battery for 20 to 40 minutes, sometimes overnight and the car turns on with no problems. BASIC INFORMATION The Mallory Gerotor style COMP Pumps are more for-giving than vane style pumps, but it is still important to insure they are properly mounted and receive …. Additionally, head over to www. This will help show whether the TPS is working properly. If I reset the calibration on the two new sensors, and run the Sniper in closed loop with the sensor plugged into my LC2, the sensors work fine and give the correct readings. The IAC setting is at 4% and TPS 0% and the enginge idles at 750 RPM. Additionally this display can be used as a fully customizable data monitor! With this 3. Sniper EFI 1 & 2-Barrel Systems /. Sometimes air conditioning problems in an automobile can be an easy fix, even for those of us who know nothing about cars. Holley sniper problems Thread starter Advrider639; Start date Oct 20, 2023; Tags holley holley sniper problems sniper This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others. If you are using your Sniper EFI System to control timing, navigate to Tuning > …. The WBO2 sensor initially reads "Heating" and then immediately reads an A/F Ratio of 35. It isn't to the point of getting out and driving yet but it sounds great around the shop. It started right back up and I had no more issues. Then a few weeks ago it started stumbling when I released the throttle, both at cruise and at stops.