Holley Sniper Efi Troubleshooting - Holley Sniper EFI Quadrajet.

Comments1 ; Holley Sniper Air Fuel Ratio Issues & Start Up Issues Symptoms & Fix. (Holley EFI Typical Idle And/Or Running Problems) May God's grace bless you in the Lord Jesus Christ. 305 Chevy engine shutting off while driving. I increased mine by 10 for all values from 80-260 degrees. What Does a Sniper Really Do? - A sniper is a highly trained soldier who specializes in shooting targets with modified rifles from incredibly long distances. If it won't run at a fast idle then you either have a spark problem or a fuel problem. I live at approximately 5200 feet - Colorado. When trying to start my car it will sometimes start correctly by running around 1200 RPM and ramping down to idle. Holley EFI; Dominator EFI; HP EFI; Sniper EFI; Terminator X EFI. I appreciate any and all help! Specs: Holley Sniper 550-511. I'm in the process of installing the Sniper system in a 1987 Firebird 305 engine. Find out the best fixes according to the manufacturer, from fuel starvation to electrical interference to backfires. Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. 1994 Chevy 1500 Step Side, Vortec 383 Stroker, Holley Sniper EFI, HyperSpark Distributor, HyperSpark coil and CDI. “You run through the wizard in the handheld that comes with the Sniper 2 and build a calibration. Recently replaced thermostat and coolant temp sensor. Learn how to set up and utilize this wireless control system, allowing you to tune your Sniper 2 EFI directly from your smartphone. 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. Doing this in Windows File Manager will corrupt. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. It has a Pro-Billet distributor, 6AL and the Sniper. Problems with very sensitive throttle. The new 5-inch Dash provides three different displays of drivetrain information from the popular Sniper EFI systems such as throttle position, air/fuel ratio, manifold pressure, and more, plus it provides GPS signal for speed! "The new 5-inch Dash provides an outstanding view of engine data in real time, saving you the hassle of installing. TOOLS REQUIRED FOR INSTALLATION. To do this, open up the Initial Startup gauge screen. Learn about sniper scopes and see pictures of sniper scopes. Holley•91K Holley Sniper Air Fuel Ratio Issues & Start Up Issues Symptoms & Fix Holley EFI Idles Like Crap - Troubleshooting & fix. Originally Posted by Danny Cabral Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. The ECU firmware for this Holley Sniper is SNIPER_01010230, but it has already been updated to SNIPER_01010260 ECU firmware. Hyper Spark Distributors are the perfect distributor for use with EFI systems when controlling timing from the EFI controller. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. • Check fuses (& correct amperage fuses), relays and their sockets. The fragile screen and circuit board are within a 1/4", or less, of the perimeter of the case. 1, but as soon as the IAC increases to 100% to try achieve 950 the AFR goes lean to 14. Holley Sniper, Holley HyperSpark Ignition, Distributor and Coil so it would be plug & play. We recommend at least a 3/8" feed line and 3/8" return line. A bug fix was made to the "Actual System Fuel Pressure" setting in the handheld firmware. 5" TSLCD and computer won't be able to communicate with the Sniper. Also download the GCF tune file from the Sniper and upload both the tune and the datalog to this site. Holley EFI Troubleshooting: A 3% Error Caused THIS! Want to Learn How To TUNE Holley Efi, Terminator X, and. From searching the forums and the interwebs, it sounds like this is caused by a mismatch in FW versions between the 3. Power, ignition, fuel pump & fan. Got everything installed in my Camaro, Sniper EFI, HyperSpark ignition system and Aeromotive tank and pump. This is where it gets interesting. Connect the main battery ground to the stock location on the alternator bracket with a star washer and make sure the surface is clean. 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 "Simple"). Advertisement A heat pump not only heats. Until it decides to high idle again. May 1, 2020 · Fine tuned the timing to 12-15 degrees. I made the RoC TPS and MAP value changes when trying to troubleshoot an issue where the car would stall in returning to idle after cruising and pushing in the clutch. Cold it starts fine and drives fine. Please be aware that this is a community forum. 5" TSLCD, but the ECU and fuel pump do not have power without the 30 amp circuit and relay connected to battery power. Someone will analyze/troubleshoot the problem & offer advice. If your engine is above your set idle speed and the IAC is at 0% then you have an air leak. Page 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL; Page 2 Failure of any one component does not constitute, nor does it justify, warranty of the complete system. 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. Had Holley offered the 1V Sniper 2 months ago, I probably would have went ahead with my 200 to 250 swap. 1250 Super Sniper EFI, SHP Block, JE Pistons Eagle Rotating Assembly CNC Ported Edelbrock heads. This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. sand rail engine options The US Supreme Court today heard arguments about juvenile justice and uniquely harsh American punishments. I recently installed a Sniper 550-511 Sniper along with a HyperSpark distributor, coil, and ignition box in my '73 Firebird running a SBC 396 stroker from BluePrint Engines. Pacemaker #PH4050 2v Tri-Y extractors to 2. 406 SBC with progressive single stage of nitrous, Dart SHP block, Dart Pro1 heads, Holley Sniper EFI with HyperSpark, Comp Cams, NOS Cheater plate with Powershot solenoids. I'm going to help someone load Build 50 and wanted to make sure I wasn't going to get him in trouble. At idle your AFR is in the 12s against a target of mid 13s. 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. My initial firing of the engine started right up and ran pretty well through warmup. jpg (0, 225 views) Alternator-EMI-After. It's also very rich, I've made a few adjustment from things I've read on this forum, but now I'm stuck. (Holley Sniper EFI Troubleshooting Guide). 1976 Dodge Warlock - 360, Sniper 1972 Plymouth 'Cuda - 5. HyperSpark distributor, coil & ignition. No data flashes and yet to have a good start. On the MAP, change the lowest MAP value to 20. Enjoy all the benefits of EFI by upgrading to this Holley Sniper system—with performance. I did a startup datalog and for the first couple of seconds the AFR is 12. I was having issues with EMI and data dropouts causing backfires and computer resets while running. Holley Sniper EFI First Start Up & Setting the IAC adjustmentIn the first video I showed you how to install the complete Holley sniper EFI sytem including th. Hit the key and it started right up. If this is your first visit, but slight EMI/RFI detected by the radio won't necessarily translate to EMI/RFI problems with the Sniper. Sniper won’t start on new build. Holley Sniper Running Rough/Won't Idle. I had to return my first unit about six months ago after only a few hundred miles of use. Here's a description of the testing that I've. Holley 550-850 2300 Sniper EFI. 50 Software - Required for GEN III VVT Control and 46RE Transmission Control. Seems they aren't smart enough to learn from their users. Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Machine shop thinks it's the Holley Sniper causing the issues, so here I am. If you see any of these errors for a sensor that. Although there could be a number of issues causing this, . Jun 12, 2018 · 5 INTRODUCTION & SYSTEM REQUIREMENTS Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. 8 Ratio Pro Magnum Rockers (a little over. (Holley Sniper EFI Technical Information & Troubleshooting) May God's grace bless you in the Lord Jesus Christ. • Check the switched (keyed) 12 volt red/white wire connection. The A/F ratio starts to go past 20 and the truck lays down on itself. This is not the first Holley EFI system I've installed. But you can't see these 3 pressures on the handheld or on the Holley EFI gauges. Additionally, no changes can be made until the system is confirmed to have a stable tune at idle. am i actually the strongest aniwatch There is no fuel system coming with either of these two. Here's the current Configuration File. On the trailer the engine runs perfectly fine, can let it get warm, sit on and off the throttle and can not duplicate the issue. It took roughly a year to iron out all of the issues. Installed it about 1/2 hour before quitting time, and then turned CLOSED LOOP back on and fired it up Fired right up, as soon as it hit 160 degrees started learning, and AFR is identical between the two banks. Sniper Scopes - Sniper scopes are specialized telescopes which amplify an image from great distances. 10 min read Share Troubleshooting - engine idles rough, stall. You may have to register before you can post: click the register link above to proceed. This design includes a single Hall Effect sensor providing crankshaft speed to the ECU. kayla sevensupergirls At that point you should be able to re-run the setup Wizard and have everything work perfectly. Supports up to 650HP naturally …. I'm running a ICE Ignition, so I …. View and Download Holley Quadrajet Sniper EFI installation manual online. Replace the CTS if it reads high. If you're having problems with your IAC, try these steps to see if it fixes your problem. I find the most helpful datalog function, is overlaying the datalog on your Config File. Go to channel · Holley Sniper EFI Troubleshooting. ups open times Jul 26, 2023 · The number 1 EFI conversion just got better. 5-inch handheld (only), wait for the temperature to achieve 160 degrees F. I've ordered a new WBO2 sensor to see if it fixes the problem of 35. This basic manual This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. There is a progressive linkage that makes Snipers throttle response way better; Progressive Linkage makes Sniper EFI WAAAY Better It's a $15 part and changing some settings. Reinstall fuel pump fuse and wait about 15 minutes for intake to dry out. Zip and post this datalog so we can see what's happening. Holley Sniper Air Fuel Ratio Issues & Start Up Issues Symptoms & Fix. The MSD box was about 30 years old. Also swapped out the computer controlled distributor for a vacuum. Tighten the distributor hold-down bolt to secure the distributor. This is the original 1979 350ci small-block. The Jensen now starts first time, has a quiet idle and drives beautifully. Switched from a dual plane air gap to a Holley single plane intake with my Holley sniper efi. There are some settings than can influence the way that the Sniper commands the IAC. This module also features a HydraMat …. To solve the massive drivability problems, it was time to ditch the carb and convert to modern EFI. 496 BBC/Sniper 650 Acceleration Problems 03-09-2020, 09:36 PM. The pump can be regulated to support carbureted systems as well. Online: Is shown when the Laptop and ECU are communicating. I bought a new holley sniper , dual sync dist. It either has to be a bad rotor, a bad cap or a bad coil wire. The Sniper EFI doesn't have the same TPS Autoset function as the Terminator, HP & Dominator ECUs. Seems silly of Holley not to fix something so simple. Only happens when cruising in 2000-3000 RPM range. once it's restarted it drives as should, until a few minutes later the same problem appears. Wasn't causing any problems, except I'm fine tuning my enrichment settings and didn't …. To start viewing messages, select the forum that you want to visit from the selection below. I just finished my Sniper EFI install yesterday on my 1964 Impala with stock 327. No issues when on the throttle a bit more (not WOT). Also, ensure the Switched +12V pink wire (Sniper EFI) remains powered in the "Run" and "Crank" key Do some searches on EMI/RFI problems and solutions. Remember that EFI is a basic binary decision-making system. Designed with one goal, to easily add Ignition timing control to nearly any Sniper EFI installation. After dropping, draining, cleaning and airing out the tank, a 3. I HEI Distributor + LiveWire wires. The car is working, but the customer's mistake the first Wizard was made for the Super Sniper version. Found out that it was due to rfi/emi. The Holley Sniper EFI software is fairly easy to use and by saving the file under a different name there is no risk. The Sniper can't lean it out since you have a pig rich fuel map and you set the Limits at 50%. Scan the QR code below to for links to the App. 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. Ran great at first, but only briefly. Holley offers Sniper 2 EFI kits that include a complete fuel system, eliminating the hassle of selecting individual fuel system components. If assistance is required or if you need further warranty clarification, please call. Install the throttle linkage to the Sniper EFI throttle body. Holley Sniper AFR spikes/stalls/dies. There have been several people on this forum that have installed and are running the V2 firmware and EFI software on their Sniper 1. Get help from other Gear Heads!. Started by Floobydust, 02-07-2022, 09:05 PM. The easiest thing to do would be to loosen the TPS, turn it as far CCW as you can, tighten, and test. Shut off the engine, ensure power to the Sniper is switched off. It was more rare than not, so I didn't do much with it. 1 - This unit has been working since May of 2019 until March 10th 2020. Pro Dash CAN IO Setup Overview. 02-06-2014, 04:28 PM : PSA: Counterfeit USB to CAN cable on Amazon. Kohler manufactures gas and diesel generators in several different sizes. Red/black directly to battery, pink to push button ignition (power source also on relay). When your power windows are not functioning properly, then you may end. I also put in new plugs and wires. Ensure the Switched +12V pink wire (Sniper EFI) is powered in the "Run" and "Crank" key positions. On a new race install, the best thing to do is to turn the idle screw in so you're starting on a fast idle. Had a shop install a Sniper QuadraJet kit on my 1988 Cadillac Brougham. The voltage should increase smoothly from 0. This is a new Sniper install on a 80s 350. Nov 10, 2021 · Cycle the ignition as instructed by the handheld and then navigate to the distributor setup screen. united healthcare quizlet Watch the video above as we walk you. “Holley designed the Hyperspark ignition to complement the Sniper EFI. Sniper EFI is recommended, fuel pressure needs to be between 55-65 PSI. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC …. The Sniper EFI was installed ~18 months ago, then about 6 months ago I swapped out an old MSD Pro Billet distributor & 6AL box (Causing misses, backfires, etc. jobs near me that pay cash daily 6 AFR , Help - Alright so my 1979 f-250 4x4 4 speed just had a Sniper 2300 2 inj put on it. Had engine start & idle, then shut it off only to not be able to get it started again. Find out the best fixes according to the manufacturer, from …. y2k star copy and paste Login or Sign Up Logging in Remember me. A stab of the throttle results in fiery backfire through the throttle body, any acceleration underload also results in popping and sputtering. I broke in the cam on the new engine (SBC 400) with the sniper and dual sync, also with really no issues. I got it home and determined I'm not getting spark. The first occurrence happened after driving perhaps 16 miles. 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. Camtech CT21544 (234/238@050", 570/579lift, 2600-6200rpm quoted range, 110lobes) 1. fuel inlet must go to one of the three options for the inlet fitting on the 4150 Sniper EFI. I’ve checked all wiring and nothing changed and no air leak in the exhaust. *The hatch on the boat has a forward facing scoop over throttle body to force air down over it. I have an MSD Pro Billet distributor and an analog MSD 6AL CDI box. Apparently, this may help reset the Sniper. Lots of dynamics can effect the distribution of air & fuel into each cylinder, however, the Sniper EFI was designed to be used with both dual & single-plane intakes. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake, BBK 80mm throttle body. A few issues I'm trying to chase. My setup is as follows: 351C, Holley Sniper EFI 4150, HyperSpark, Crane Cams ignition box. The “PC Text” indicates what will be shown on the PC/Laptop data monitor or data logger. Hi everybody! In first: I speak French, so forgive me if I make mistakes. This is a BluePrint crate engine (390 HP Ford 302/306) which came with Holley Sniper installed. Using the Holley Sniper EFI software (LINK), If you foot is on the floor and TPS is 1%, then you have an issue. Deleted my older posts after checking the HyperSpark instructions. com/online-job-application/ https://www. Problem not the Sniper, it had a intake manifold gasket leak. I have headers with dual 3" exhaust and an H-pipe. 1) A 340 is capable of a lot more psi than 40. After this key cycle the Sniper EFI ECU will have the calibration created by the Wizard loaded into it, and ready to start. I have an original style coil, so I used the Non-Timing. Of course, defective alternators & magnetic pickup distributors can cause problems too. I've attached my tune and datalog. Connected the Sniper to it and it said 55°F. dodge caravan for sale under $5000 Troubleshooting Holley Sniper that hesitates on acceleration. I have rebuilt a 305 Chevy Mercruiser and installed a 4BBL Holley Sniper which is awesome. I did not expect the problems that I have experienced so far on my Sniper 4150 4 injector unit. Sniper EFI Initial Startup and Troubleshooting. 470" forged steel crankshaft & H-beam …. There are different ways to plumb the fuel system. I have a 72 Chevelle with a tall deck 572 that started as 427 from BluePrint Engines and was professionally built to 572 ci. The Sniper uses a resistive touchscreen (ugh). I confirmed this with a Holley tech when I called the other day. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. When do we lock up young offenders and throw out the keys forever? The US. A wide variety of things can go horribly, horribly wrong. Keep your water flowing smoothly with practical solutions. Featuring Sniper 1 specific master kits, Sniper 2 ignition kits, Ready-To-Run Distributors and standard Distributors. Changed from carb to holley sniper efi to help. Idled very rich, no Learning ever even after temp, temp sensor issues, etc. Holley Sniper Injector Problems- How to fix themAre you experiencing rough idle, slugish performance, lack of power. I'm having a really hard time with my Sniper & HyperSpark setup. Could not see any obvious problems, other than a screen that was somewhat dirty/dusty around the edges. I have an existing Sniper installation that will not start after sitting for a couple of weeks. The Holley Sniper 550-858 BBD system will work on the Wrangler YJ but you will need to include the 526-8 Master Fuel Kit System with an inline fuel pump if you have the stock fuel tank. It fired up perfectly first try and I let it idle for about 30 min while I let it Learn. “From the ground up, the Sniper 2 was redesigned when you compare it to the Sniper 1—other than being a four-barrel throttle body with a 4150 flange. Car is a 1977 Lincoln Continental. First, I'd check for vacuum leaks and dive further into the PCV issue as you stated in your first post. Before updating ECU firmware, ensure the current Global File is saved somewhere, since it will be erased from the ECU. The handheld utilizes the battery ground large black wire and the ignition trigger wire and runs independently from the ECU. You'll know you're experiencing a fax sending problem if your machine displays an error or prints an error page each time you attempt to send a fax. Sniper 2: The Leading EFI Made Better in 14 Ways. Fixing a common issue with the sniper efi injector plus. Learn about sniper teams and sniper team weapon systems. wiki elvis Join the discussion on Holley Performance Products Forums, where you can find answers to your questions about Sniper EFI, data logging, dash gauges, and more. 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. dogs for sale trenton nj Holley carburetors operate at a range of 5. 2 Injector Sniper EFI (550-849 Shiny, 550-850 Black, & 550-851 Gold) to www. 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. I wanted to go with an in-tank fuel pump, so got one for an EFI car and did some modifying to it for the return line. 2 Build 17: This was an update to the Handheld and Sniper Software to support the new Sniper X-Flow 4 and 8 injector versions. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake, BBK 80mm …. MSD Super Conductor wires, NGK BR6HS plugs gapped at. 1 4150 Sniper Stealth EFI – 550-870, 550-870K, 550-871, 550-871K, 550-872, & 550-872K 4150 Super Sniper Stealth EFI 650 – 550-873, 550-874, & 550-875 4150 Super Sniper Stealth EFI 1250 – 550-876, 550-877, & 550-878 QUICKSTART MANUAL SNIPER STEALTH EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a …. Sniper EFI 1 & 2-Barrel Systems /. There have been more than a few "Sniper faults" that turned out to be massive leaks. Sniper 2’s new “Hidden Harness” design sends all of the wiring out of the back of the unit. 6) Problem always occurs when reducing RPM after throttle input. The Sniper thinks it's running lean and therefore adds a lot more fuel. I've installed eight regular Sniper systems on customers vehicles with great success. Firecore wires , and the right plugs. The EFI system is completely Holley, Sniper 2, HyperSpark, ignition, and in-tank returnless fuel pump. The most common cause of this problem is a blown fuse on the large red wire leading to the battery or an improper connection at the battery. The blue wire should have 12 volts and go directly to your fuel pump. Today I'm going to discuss two different ways you can take a data log using your 3. The Sniper EFI Coil Driver Module is designed to be used in place of a capacitive discharge box. 31 and loaded into my Sniper ECU. Sniper not connecting with laptop. Go to channel · Confirming static timing with Holl. Fixed gasket and reset the Sniper all good again. Sniper School - Sniper training occurs in all branches of the United States military. I recently decided to upgrade from a Holley 4500 Dominator 1050 cfm to a Sniper Stealth EFI. When I try and rescale my original 11-22-22 Base Fuel Table that runs in Open Loop for idle because of the cam or WBO2 sensor, the revised program will not run in Open Loop at idle. The GM LS engine has quickly become the high-performance standard in the performance aftermarket. Sniper EFI) is powered in the "Run" and "Crank" key positions. Installed a Lokar throttle linkage bracket custom made for the Sniper, removing the old one that had been on my Holley 750. Try depressing the throttle past 60% which activates the "Clear Flood" feature. You have to be extremely careful cutting/prying it apart. Adjust the distributor as necessary. No heat sink issues with the big Chrysler 440 (bored out to 452CI). Dynatech long tube headers with 3" Dynatech exhaust. While upgrading I decided, (hopefully not poorly as I am feeling right now), to upgrade to Holley Sniper EFI. It'll fire right back up and shutdown again …. If you look at the latest Sniper EFI Firmware Revision Log, the latest version should be FW_01_03_0500. I'm growing tired of the Holley work-arounds necessary to make up for poor design work. The default crank timing is 15°. If you tell Chris what you have he can tell you everything that you will need for your set up. If you are using your Sniper EFI System to control timing, navigate to Tuning > Advanced > Advanced Idle > Idle Spark and ensure that the Idle . The picture is tiny and my eyes aren't so great, but I think I see a "3" after the decimal in the Coolant Enrichment field in the screen shot so it's not yet to 100. We’ll I finally gave up and went back to carb, the reason: 1) Tick tick tick tick tick at idle, know what I’m talking about. The Sniper Troubleshooting Guide says in the Prestart Checklist: "CDI Box Ignition setups must have the Tach Output Wire from CDI box connected to the purple wire (Crank Signal Positive) in the Sniper EFI Harness, using the provided Tach Signal Adapter. 8 Injector Sniper EFI XFlow (550-544 Shiny, 550-545 Black, & 550-546 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. • PDM includes built in Diagnostic LED's to help with troubleshooting. I have the standard 4150 Sniper along with the HyperSpark distributor, ignition control box & coil. The RPM range is common but the MAP scale difference is not unheard of but unusual. Tuning a 2300 Holley Carburetor is a straightforward process thanks to Holley's simple design and exterior tuning capability, meaning the carburetor may be adjusted on the fly whil. Troubleshooting guide is not helpful, flow chart says if the fuel pump does not run find out why. Here's the lowdown: Fresh install in a brand new 302 block, stroked to 327. If no combustion occurs, pull your fuel pump fuse (to avoid a 2nd prime shot while programming), make a large adjustment to Priming Fuel %, e. If either of those two are not making contact, the 3. I've attached my Config File and a datalog file in hopes someone can point me. We recommend placing the fuel pressure regulator after the Sniper EFI throttle body like shown in Figure 4. Comments64 ; Holley FINALLY Fixed My Sniper EFI Issues. This must be accomplished with an EFI fuel pump and bypass fuel pressure regulator. Learn to troubleshoot a heat pump. TROUBLESHOOTING Troubleshooting Guide Holley has created a troubleshooting flow chart to help customers with issues they may be having. The filter should be installed with the arrow on the filter pointing in the direction of the fuel flow. Whether your weekend cruiser needs some additional low-end grunt or your twin-turbo race car needs to scream to 8000 RPM, we've got you covered!. Sniper was working fine, but suddenly no spark. I've recently put a new manifold on and installed the Sniper. Thus, Holley can not guarantee an answer or timing on an answer. Topics: 37 Posts: 1,305 Sniper EFI Tuning & Tech. Also the connector for the CAN Bus cable was bound near plug wires. My lowly advice to get started is, download …. When engine first starts, it usually seems fine for a few moments, but then frequently begins to rev to several thousand RPM while sitting in driveway and …. If you look at the datalog you can see that the engine is rich and that it takes a fair amount of time for the Sniper to react. Fueling & Injection - HELP! Problem with Holley Sniper EFI Fuel Rails - I've got a Sniper EFI intake I'm installing on the LY6 I'm putting . I also tried another Sniper throttle body and hooked up the electrical and the screen lit up and worked fine. If replacing the TPS, the TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. Thanks for your help in troubleshooting my Sniper troubles. adapter harness p/n 510-558-493 is required to connect to the Sniper EFI. • "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". Cycle the ignition as instructed by the handheld and then navigate to the distributor setup screen. I will say that I thought I would have issues with any new EFI system, no matter who. Reconnect the appropriate vacuum hoses to the Sniper EFI throttle body. I would contact Holley support. Like Danny says, use the correct intake for your engine and application. Take a look inside my "Tune the Trilogy" Holley EFI training course in this video, as we diagnose and repair a bad oxygen sensor. They can also be used with other EFI systems that support a. I stopped at a gas station, fired it up and I get the AFR, A/F on Sniper reading 35. 5, but it can vary depending on the engine. Observe the voltmeter and verify that the voltmeter indicates between 0. Standalone Transmission Control Kit - For Carbureted Applications. All spark plug wires are pulled away from any Sniper wiring, the handheld doesn't glitch at all …. Snipers test with success on both Single & Dual-Plane intakes. Holley 2300 sniper efi fuel pump problems. I have a Holley Sniper on a 350 that has just been rebuilt. Upon first fire up it runs 5 seconds stumbled then dies. It has a 302 engine from a '98 explorer, 2 barrel intake manifold, Pertronix ignition kit, and fuel pumps from an '89 Bronco. Whenever making changes using the Sniper EFI software, always keep a copy of your original file and use Save As to name the new configs so you'll recognize the changes. The inlets and outlet are indicated in Fuel Fitting Overview below. When the engine is turning over, fuel squirts up into. 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. worlds easiest game unblocked If it is 35 or so, the WBO2 sensor has failed. My bigger issue is the past few times I've driven it (weekend warrior), after about 20. I relocated the ignition coil and later I replace the ign. Holley Sniper won't idle and running very rough. “It’ll ask you engine cubic inch, timing at wide-open throttle, timing at idle, target air/fuel ratio, and it’s going to build a base calibration for your engine. Watch along as Jeremy shows you how easy it is to update the firmware on your Holley Sniper EFI!. Slowly open the throttle and observe the voltmeter’s readout. Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and. My specific setup is on page 35 (wiring with Holley Dual Sync & CD box) and it does in fact show the tach hooked up using the brown wire. Plugs fouling, starts & idles, sounds good, but won't rev and stalls under load. What I have: 454 Chevy Square Body. If that's OK, contact Holley Tech Service ( ). Twice now I've had problems with the Holley fuel pumps failing. The efi will not solve all the problems that a 1V carb has but it will solve some of them. Then you can hook it up to your tach and begin to troubleshoot. When selecting the correct Sniper EFI system for your engine, there are a maximum of three questions we must answer: 1. distributor dual sync distributor. com/halffastgaragethehalffastgarage@gmail. Then handheld wire goes through a different grommet in the firewall than other wires. Unlike the former, Holley Sniper EFI will make you spend over $1000 for that combo. I have a Holden Commodore with a 304 (5. They feature a highly accurate Hall Effect crank trigger sensor for a noise free RPM signal to the EFI. The small pink wire will still power the 3. 7) Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. kohls hourly pay This is just for troubleshooting to get it running and is not suggested to be your final timing. deposits jailatm com buneary rule 34 Categories/ Air & Fuel Delivery. Coolant temp sensor problems, way off range, 3 sensors tested. Explain How the “Self Learning” Feature In Your EFI System Works. The Sniper EFI throttle body controls . It's likely that you have a slightly older version of firmware in your Snipe, but you're using the version 1. With dual-plane & AFR 195 heads, made 350 HP to the tire. He's a Holley EFI parts professional, Holley EFI Dealer & fuel pump/fuel system specialist. I then have to unplug the battery for 20 to 40 minutes, sometimes overnight and the car turns on with no problems. 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. The Sniper is unable to achieve a steady idle and cycles every 10 seconds or so between about 880 & 1400 RPM, during which time the best I can adjust the IAC Position reading is between 8 & 30 (the IAC reading appears to cycle along with the RPM). great clips sales car is a third gen 1990 Chevy Camaro with flowmaster mufflers. Detailed instructions of each icon are contained in this manual. I included an attachment of what I'm using below. The problem I'm having is when the vehicle is being charged by the alternator OR a battery charger, it'll run for 15-30 seconds then start to run poorly and shutdown. RPM going up and down , miss firing and backfiring. This can be changed, but you should adjust this value if the sensor is bad. vintage monet silver necklace Bought a Standard TX3 from OReilly's and sat it on the intake for 15 minutes. Looks like your Base Fuel Table is too rich, so whenever the Sniper is in Open Loop the engine runs rich. I have a buddy trying to update the FW on a Sniper, and he's getting a Searching For ECU message on the 3. Sniper 2 is a brand new design from the ground up. Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. Note that the vehicle, 1975 Ford Ranchero, has been driven no more than a hundred miles since the Holley Sniper installation. Here are some tips from Holley's EFI program engineer Doug Flynn on how to get the proper ground and voltage connections for your EFI system. A hyperspark ignition box is specifically designed to be the most simple and easy way to add a CDI ignition to your Sniper EFI or other throttle body fuel injection system. EFI System Pro suggested those changes and so after doing the better fix (IMO), of adjusting the idle RPM values I never went back and put those back to original. Also for: 550-867, 550-868, 550-869. I have an RPM signal when cranking, #1 is at TDC, I've done spark test with the Sniper coil with lead off and earthing white wire gets good spark, have good fuel pressure. I'm trying to get better at reading and tuning. Called Holley after checking everything. Install the hold down nuts and snug down the throttle body (60-80 in. Pay attention when on the Holley EFI Technical Library webpage. 1969 Chevelle SS, zz454HO, Sniper EFI, Bowtie 200r4, 9" with 4. I also have an in-tank Sniper fuel pump. This is not your problem right now, but will cause issues when you are cruising. The ignition switch can't start the engine, if there isn't a circuit that's powered in the "Run" and "Crank" key positions. The pump that came with my system from holley puts out 60 and is of course regulated in the efi. We've Transferred Learning To Base several times and turned down Learn %. What I found was plug wires routed near the rear of Sniper. The Sniper would then dump fuel to combat the lean condition. A large red banner separates Holley's different EFI systems by name. Fuel injection can be daunting after a life of tuning carburetors, but Sniper EFI is arguably …. After installing the Sniper and running for a few weeks with the initial air/fuel settings as mentioned, I saw roughly 1 ½ to two-miles per gallon increase. I read in this forum that there seems to be a problem with the Sniper in that sense. So you can hook up fuel pressure, oil pressure and one other such as brake pressure or pan vacuum. Like any computer, a Mac is prone to serious problems over the course of its life. Unfortunately, these kits all require a high-pressure fuel system. 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. custom four wheelers for sale Can anyone tell me or show a picture of the factory wiring locations on the relay. 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. EFI fuel pumps have a wide range of psi capability; you set the exact pressure you need/want. Then it shows the white wire coming from the Sniper harness to the white wire on the CD box. You have to be really meticulous when trouble shooting it. Topics: 5,515 Posts: 52,413 Last Post Last Post: Hemi swap exhaust system, and poor tech support problems. Topics: 36 Posts: 1,300 Sniper EFI. 65 volts with the TPS set at idle. Brand New Holley Sniper pouring fuel out of rear barrels and intermittently showing "No data" on the hand held *Some guys have reported that . I'm brand new to EFI and having a nightmare of time getting things sorted out so far. ukrainewar.news Magnetic Pickup in the distributor. I have a 1969 Camaro with small block 350, unknown cam, Edelbrock RPM Air-Gap intake, 462 heads, Sniper EFI, HyperSpark distributor, ignition box, and coil. The Sniper was installed a few months ago. It also distributes power to your EFI fuel pump and a single fan (second fan can be ground …. Line appears to be in good shape with no rust. I replaced the gas tank (Tanks, Inc. So the Sniper can't tune its way out of the problem. Have yet to get a good running condition with my Sniper setup. I was out last weekend, cruising at about 45 MPH when it backfired, quit running and wouldn't start again. I have the sniper efi system with the holley retro-fit in tank electric fuel pump. It starts fine and will run, but it runs rough, not the smooth idle I was expecting. SNIPER EFI automobile accessories pdf manual download. ) with the Sniper HyperSpark CD box & Distributor and …. Second failed Sniper! 01-16-2022, 07:56 PM. If you have spark at the coil, but not at the plugs, there's something wrong with the link between the two. 5" Hi Flow V-Tex merge pipe with dual 2. If spark is present, the ignition is working properly. Dec 23, 2016 · 415 posts · Joined 2016. I do not have the electrics connected yet, just the fuel lines. Aug 25, 2017 · Sniper EFI Tuning & Tech. Pro Dash Firmware Release Notes. “If you have ignition problems, vacuum leaks, valvetrain issues, or bad fuel, you need to correct those things before you convert over to fuel injection. 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]. If you have any problems when following this quick start guide, STOP, and follow the detailed step by step instructions to address the issues. On occasion, the lights of your IBM Wheelwriter may not come on or character misprints could occur. Other some what common issue to look for is single injector is bad. Your engine may be warm but a number of Holley supplied coolant temperature sensors will read low by 20 to 30°F. Not only does the Sniper EFI BBD offer superior throttle response and WOT power over the carburetor, but you can also gain timing control! Put an end to cold start issues, hesitations, vapor lock, and flooding. My mechanic has gone through everything several times and. Thanks for sharing the actual facts, Matt. Thanks to Sniper 2 converting to EFI just got a whole lot easier. The Sniper EFI needs to be fed with 58 PSI of fuel pressure. I have a question about dialing in the fuel enrichment for a dry non-progressive 125 shot of nitrous. 1920s house plans bungalow I routed the lines right beside the stock ones, don't think that will be more or less difficult either way. HyperSpark ignition Ignition Basics. I have yet to have it run right. Several companies offer in-tank fuel pump conversions, such as Aeromotive’s Phantom system and Holley’s Sniper tanks. If the redline of your engine is 6200 RPM, for example, change the max RPM on the base fuel table to 6500. Learn how to troubleshoot common issues such as sensor verification, no ….