350 Tbi Bad Distributor Symptoms - Bad Knock Sensor Symptoms & How To Fix.

Fault cide 42"Open or short on EST or BYPASS line to ignition module"But timing corrector was connected. Therefore, the engine may crank but doesn't start. Inspect the vacuum hoses between the intake manifold - EGR solenoid - and EGR valve for cracking, hardening, deterioration and mis-routing. I am idling rich with occassional idle variations an occassional, almost imperceptible stumble during idle right now on my 350 tbi. The B2L indicates this car has the 5. An exhaust tail pipe backfire is caused by an excessive amount of un-burnt fuel remaining in the exhaust system or fresh air being allowed to enter the system which ignites a small amount of un-burnt fuel. 3l ecotec3 v6 engine problems, resulting in weak idling, cylinder stalling, poor accelerating, and low-rpm operating issues. A few clicks and a credit card number later, and we had our solution on the way. Your next step is to pull the #6 coil you just moved and replace. A bad pickup coil may mean a lack of engine spark because the spark plugs are not receiving the proper information to fire correctly. Under my cap, stuff looks a bit corroded, should I just go ahead and replace. If the ignition coil has a white lead, any pick-up coil connector color except yellow is OK. Unplug the tan wire with black line (or is it vice versa ) - should be by the master cylinder. It may or may not come back from the bog (i. Idles decent when cold in open loop, little to half …. 14 carlini gangster apes Conclusion: Chevy Silverado Bad PCM Symptoms. once i tap the gas, its fine for a few seconds and then starts wanting to die again. Shut engine down, reconnect timing connector, and that's it for the timing. at/dhD35Visit our website for detailed car repairs tips: https://autovfix. There are several symptoms of a bad knock sensor in a 350 TBI engine, including: Engine Misfires or Hesitation: If your engine is misfiring or hesitating during acceleration, it could be a sign of a bad knock sensor. The only things that later generations of engines have in common with the first and second generations are the rod valves, the transmission-to-block screw pattern, and the bore spacing. One thing the AFI instructions emphasized as well is that the MAP sensor be connected to a full vacuum source and NOT a ported source. A decrease in fuel efficiency is another symptom of a bad or failing or failing cold start injector. Ignoring symptoms can cause costly engine damage. Ive changed the ignition module,pick-up coil,cap rotor and plug wires in the distributor, replaced the ignition switch on the column, checked for loose or frayed wires and replaced the positive cable from the batt. No power, struggles up hills, runs a little better at higher rpm's, won't climb a hill from a stop hardly at all. The pick-up coil/stator located inside of the distributor is what generates the dwell signal that fires the ignition coil. An ignition switch costs $20 to $50, while labor costs $100 to $200. If your engine detonates at low engine speeds at part throttle, consider retarding the initial timing by 2 or 3 degrees and then adding. If there is any sort of issue with the fuel hose, …. Removed and Replaced spark plugs, messed with map sensor, checked grounds, and swapped out a few valves she almost there Support the stream: https://s. The knock sensor did not work on the old engine and it had more power than this engine does. The throttle position sensors (“TPS”) and the idle control valve (“ICV”) are common 4. Inspect the spark plugs for wear or incorrect gaps and replace them with the correct type recommended by the manufacturer. The most common symptom of a bad knock sensor is a check engine light on your dashboard. When i first start the truck it slowly rises from 1000 to 1500 rpm then comes down after five minutes to 1000 rpm then when i drive it for a few minutes then it starts idling at 1100 rpm. Wiring Diagram for the 350 TBI Ignition System. This occurs when unused fuel is emitted through the exhaust system. You don't do this to the older trucks though - You have to disconnect a brown(ish) wire under that black wiring cover under the hood on the passenger side (there are 3 long plastic nuts holding it on). Untruth: A stock HEI will do a good job only when used in low- to mid-RPM-range performance applications. 95 GMC TBI 350 accelerating problems. unplug the computor (tan/blk wire on the passenger side firewall) then run a timing light, set it at 0, and if it falls on its face on a full throttle start, advance the distributor about 5 degrees counter clockwise and test again. 87 burban 350 TBI auto 4x4 550k started with fuel pump issue. By 1984, Yamaha's first four-wheeler, the YFM Moto-4 was in full produ. If this doesn’t happen, it could be due to a bad ignition switch. This could explain your surging idle. Diagnosing A Stuck Open EGR Valve (GM 4. Nov 25, 2016 · Code 15 means the coolant temp sensor is reporting the temp is stuck at -40*. If the coolant temperature sensor malfunctions, it can transmit a false signal to the computer. You may notice a decrease in power and fuel economy as well. It sucks oil out of the pan and pushes it into the oil filter. Engine won't turn over 3000 rpm with out backfiring bad. pella multi point locking system Truth: In reality, the advance curve typically found in a stock HEI distributor is not fully advanced until 4,000 to 4,500 rpm, which is very slow. Ignition timing is another cheap and easy area to work on. I've replaced the distributor the cap the rotor wires and plugs. TBI Fuel Pump Relay Bypass: Symptoms of Bad Relay. Well, been through three carbs, new egr. Put a new module in the distributor and it runs now. As the ignition coils are among the ignition system's most vital components, an issue can. I've checked all the wiring diagrams I can find and it's probably real simple but I can't find it. I've had to replace the ignition module that sits at the base of the distributor a few times, but the failure mode was always that it would start and run, but wouldn't apply any advance, run a little rough, and would throw a trouble light. Aug 9, 2023 · Once this moisture spreads, unwanted corrosion and oxidation will only be a matter of time. Here are some symptoms of a bad ignition module –. I would look in the distributor and. A bad credit score can prevent you from getting the funds you need to run your business, here is how to get a business loan with bad credit in 2023. Despite the high rate of unemployment in the US, 4 million job openings remain unfulfilled. The problem is check engine light stays on giving me a code 42. Oct 4, 2010 · 24 posts · Joined 2010. anyways the 92 when i first got it, it ran great. I have a 94 1500 with the 350 TBI. computer wont know if motor cold/hot or what. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. For a Chevy 350, you can find it near the distributor at the rear of an intake manifold. 7 Vortec is a type of engine produced by General Motors (GM) and was first introduced in 1996. My 350 TBI in my truck is becoming undriveable with a really bad bog and hesitation/stumble when I try and take off at any rpm or speed. 87 chevy 350 tbi will only start if if pour gas in the throddle body then keep it running by pumping the peddle. I put it on a computer account the check engine light was. 7L Restore Most recently upgraded the intake manifold to a larger bore and upgraded the stock TBI to a edlebrock TBI I was getting a really rough idle and having a hard time keeping the engine running, "possibly due to a bad connection at the coil" where I had to rig a connection due to shredding. What are symptoms of an ignition module that's failing, on a 92 TBI 350? When my engine is hot and I'm accelerating between 1500 and 2500 rpm, I get noticeable drops on the rpm gauge and when the TCC is locked in OD, I can feel it missing, the whole truck kinda bucks. Electronic ignition module in the distributor is bad. Bad Throttle Position Sensor Symptoms. Symptoms of a faulty pick-up coil/stator are as follows; Random mis-firing. Sticking valves, lifter/pushrod problems. Code 32 will detect a faulty solenoid, vacuum supply, EGR Valve or plugged passage. Restarted a couple times and now nothing. I have a 1994 Chevy k1500 with a 350 TBI that is kicking my butt. you need to replace the plug wires. Has spark – Insure wire continuity between the ECM and the distributor or tach Filter. check the distributor pickup for shorting/intermittents. It would stall while sitting at idle in park or when in gear at a stop sign. The ignition switch typically sits directly behind the lock cylinder. Aside from rough idling, an engine misfire may also indicate problems with your car’s ignition control module. If it determines the ignition module has caused a problem with the system, it will turn on the check engine light. This is done with the air cleaner off or course. dom cheated on sofie dossi horseback riding sarasota Jun 17, 2010 · The pick-up coil/stator located inside of the distributor is what generates the dwell signal that fires the ignition coil. Check engine light is on: The ECM monitors all parts of the vehicle that could affect emissions. A 350 will run on injectors from a 305, but you'll be on the ragged edge of running lean. The S10's ignition switch is not what your key goes into. Mar 20, 2020 · 31 posts · Joined 2020. Cranking issues is one of 4 things. I have already checked for play in the dist. Tach is acting weird too and if rpm reading is off fuel maps are whanky. For a replacement distributor, shop O'Reilly Auto Parts to find the distributor, rotor, points, condensers, or ignitor you need to complete your repair. Worn out cam chain can also cause that timing to jump on very high mileage engines. All had high mileage(one of our trucks has over 400k on factory motor!). The harmonic balancer is a component that absorbs vibrations applied to the engine’s crankshaft. gun 45 price I had replaced the motor with a crate motor and at that time I put a new EGR valve on. a few little problems like a dead plug wire and misadjusted timing and/or EGR problems can all combine to look like symptoms of something else. A stalling engine is one of the bad fuel pressure regulator symptoms. 3L V6 OEM 1103976, 1104078, 12598210, …. This also means that the PCM uses the MAP sensor and engine RPMs to calculate how …. The 1965-1966 Shelby GT-350 was really a souped-up Mustang 2+2 fastback with a few modifications. Here are some more specific symptoms: The ignition system is creating and delivering spark to the spark plugs. I think I have fixed almost all the random issues except one. Squealing noise from the distributor. 7L throttle body fuel-injected pickup or SUV crank but not start. 7 350 427 TBI EFI LG4 LB9 F-Body ; Warranty: The product will provide a 30-day warranty and 1-year unlimited replacement commitment for free. Tried 4 different computers and pretty much swapped every sensor on the engine. Earth is seeing an unprecedented lo. All modern vehicles come equipped with a Check Engine Light to let you know when something is wrong. There are a range 350 TBI timing off symptoms that can affect an engine's performance as a result. OK, maybe I am missing something simple but here goes. Set my multi-meter on K (kilo) and got a reading of. In order for the engine to properly burn fuel, the fuel must be ignited at the proper moment during the combustion cycle. Put an omh meter across the pick up coil leads and see if the resitance makes a dramatic change while you heat the coil. There are exceptions of course. anne klein purse gift set Crawling up inclines or slowly accelerating from green light or in parking lots, engine would stumble and sound like hell. 350 TBI Bad Ignition Module Symptoms. Got timing roughly set around 0. Sounds like the fuel pump is going bad (or in this case,has gone bad). In this video we'll talk about 5 bad knock sensor symptoms and how you can fix this issue. If I cut it off warm then try to restart it like 30 min later it is very hard to start (like after a lunch break and such). After 30 seconds unplug the IAC valve. « Reply #10 on: September 23, 2012, 11:32:28 PM ». Manifold Absolute Pressure (MAP) If Code 24 is stored, use that chart first. The less vacuum, the more pressure. If the problem persists, consult a mechanic for further diagnosis. if it is bogging and idling low, I'd suspect the leaking injector may actually be a big part of the issue. 3: Using the DVOM, backprobe terminals C and B of the TPS sensor, open and close the throttle and make sure the voltage changes smoothly. It makes a hissing noise which sounds like its coming from the right side. It seems to only be doing it while at idle speed, ie coasting or sitting at a light. ignition upgrade on 1993 chevy tbi. 4: Throttle Position Sensor (TPS) wiring diagram. 3 ohms @ injectors, they are seeing 12v. The longer you let this go on, the worse it will get. That is called the lock cylinder. If the distributor cap is not working as it should or is not firmly on, your car may not start. which is bad but thats not the main problem. I can hear the pinging when it does the self test and that's the only time it pings. I have a 1990 chevy I can look at for reference and i can pretty much unplug everything and still have pulse using a noid light, tpi, IAC , map, oil. then my friend told me that the time was off he tried to adjust it with the timing light but it seems like it got worse, after adjusting it and shut it off the truck wont start or you hear the starter hitting. The hot coolant flows through the TBI manifold to the rear of the manifold and through the 5/8" heater core inlet hose. One of the first symptoms of an issue with the ignition switch is a vehicle that suddenly stalls while the engine is operating. Here is a more detailed list of the signs of a bad or failing coolant temperature sensor to look for: 1. 5 years 9 months ago - 5 years 5 months ago #21994. 3 tbi engine, the truck picked up a terrible misfire at idle it does it in park and drive it almost feels like a dead cylinder truck lurches real bad,etc. The engine runs smooth sometimes and runs horribly bad at others like it is severely out of time, backfiring through the throttle body. 350 TBI falls flat on its face when accelerating. Auto parts stores can check them. The fuel pressure gauge should show several psi of increase in pressure. 7 Vortec and other car models is a squealing or high-pitched noise from the distributor. The procedure for checking timing. same day sewing & alterations near me You are right - within the distributor of an EST ignition system there is no provision to physically vary the relative position of the rotor to the posts. Like all automobile components, the ignition module will eventually deteriorate and break. Yet another indicator that your distributor is going bad is a high-pitched squealing noise that occurs when starting your vehicle. Pre-ignition is especially damaging to engine components like pistons and head gaskets, since excessive cylinder pressures can occur even before the piston reaches top dead center (TDC). radar weather ozark mo It s/b 9 - 13 PSI (according to GM specs), at idle and under acceleration, preferably 11 - 13PSI. Q: Chevy 350 symptoms of a bad pick up coil? No spark. Engine dies: This is one of the most common symptoms of a bad ignition switch. It is driven by the negative side of the coil (white wire). Apr 7, 2023 · Don't click here if you don't want to subscribe: https://shorturl. It has a newly rebuilt 350 engine in it. Besides being 180 out you could also have the firing order right BUT IN THE WRONG DIRECTION. Spark plug wires are responsible for transmitting the electrical current from a vehicle's electrical system to the engine spark plugs, where the electrical current is used to ignite the engine air/fuel mixture. I figured back then it was it had just decided to spin a bearing. If vehicle is started with starting fluid it will stumble to life slowly, then idle fine, will run. distributor #distributor_cap #ignition There are several wear and tear that can cause the distributor cap to fail, which would then require . This ignites the fuel and makes your vehicle run. It has been going on from the first time I drove it after the rebuild. A faulty distributor cap can cause your engine to stall. The EST wire (wh) will now have a 5V square wave on it and the PCM is controlling timing advance. When the timing is set "where it should be", (0 degrees with esc disconnected, and changing drastically when i reconnect it to the positive, somewhere in what I would …. --NO o2 sensors on the manifold. • other symptoms may also be present. This is because when the recipient's bank passes the check to the writer's bank for payment, the writer's bank returns it unpa. Where is the knock sensor location on a 1989 350 TBI? :neutral: I put in a new engine and can't remember where the knock sensor goes, I know it was on the passenger side, but the hole in the passenger side head is too big for the knock sensor threads???. The problem that I seem to be having is the truck misfires at idle only. In a situation where the ignition timing is retarded too far, the plugs ignite the fuel too late, allowing it insufficient time to burn completely. It should not touch the electrode. Parts alone are about $600 to $1200 and the labor cost will run about $200 to $250. Apparently the pickup coil starts shutting the module down once it gets hot if its bad/old. The distributor is GM HEI and came with the AFI TBI kit. Have tried everything but dropping the tank and replacing the sending unit and pump. One of the first symptoms of an issue with the fuel return hose is an excessive fuel smell. new ground straps were installed new ground strapes installed. as long as you have a good cone spray pattern then usually they pretty much are ok yet, if they are just dripping while cranking then they may be your issue, you need to check your fuel pressure first. durabuilt sunrooms Overheating is a common indicator that you could be having an ignition …. The most common cause of your symptoms is a faulty pickup coil in the distributor. Total engine rebuild at 187,020 miles. With an Ohm meter, set for auto range or Rx10k measure between the BATT terminal and the Rotor pickup inside the Cap, It should read between 6,000 ohms to 30,000 ohms, Next measure between the TACH terminal and the Rotor pickup, and it should read the same. I can hear the pinging when it does the self test and that’s the only time it pings. I replaced the map sensor, the plug wires, the spark plugs, the rotor and cap, and the ignition coil. Harmonic balancer slipping (though this wouldn't explain the change in how it runs) My 88 Sub TBI 350 had the exact symptoms. I actually swapped the distributor earlier today from the old 305 I took out. but it will rev up fine and runs fine once you get past 1000rpms but it will sputter slightly when you get on the. Set it aside or wrap it with a rag as to not make contact with any part of the body or chassis. A bad relay warranting bypass usually suffers from common truck issues: stalled engines, no electrical pump noises, flickering CEL, and drained battery. Re: Timing adjustment on \'94 Chevy. How to replace a Distributor cap and rotor on a 1987-1995 Chevy TBI engine. I had problems with random (searching) idle speed and stalling when clutching after being at speed (like slowing down on an off-ramp). Bew icm has solved the problem at while. chapter 1 test form 2b I have little bit hurry to get car on the road. The normal range for a tbi pickup coil should read between 500-1500 ohms so it was in spec. Jumper the A & B connections on the diagnostic link with a paper clip or what not. It can cause so many different symptoms, and it's relatively easy to check on a TBI, very easy on a Vortec. I've tried everything to boost my gas mileage except for replacing the fuel injectors, I'm barely getting 10mpg, even before the lift and tires it was just as bad. Yes , Email Me If Interested 1941 1 1/2 Ton Panel Longbed Dually. I think you might have exhaust valves sticking in the guides. In this video, you will learn 4 symptoms of a bad idle air control valve. 1999 to 2016 Super Duty - bad ignition switch on 2000 F-350 7. 7 TBI auto with a stalling problem. They can go bad enough it will run so rich it will fuel-foul the plugs. What I have done so far: Replaced: Plugs, Wires, Cap, Rotor, Coil, ICM, O2 sensor, Fuel. If there is the diaphragm has failed. When the PCM detects a problem with the knock sensor or its circuit, the module will turn on the check engine light and store a corresponding diagnostic trouble code (DTC) in its memory. Each code will be presented three times then cycle back around to 12 again. tries to re-start, nothing but cranking motor. Distributor recommendation for 89 tbi 350. • Faulty coil (pack) • Faulty oxygen sensor (s). Broken springs, worn ignition switch contacts, and temperature problems are common reasons why the ignition switch can fail. Re: tbi to carb swap fuel issues. Now, when engine starts cold, it idles very rough up and down between 600 and 1200 …. The recall letter came about 6 months after I replaced mine. (Of course, they also fail in a way that won't allow spark. The symptoms: The truck starts fine when cold or hot. 2 Take the electical connector off of the injectors. In rare cases, it can also happen because of low engine compression. Aug 23, 2023 · Bad Distributor Symptoms #1: Car Won’t Start. So do i just need to get an intake manifold, TBI, air filter housing, fan shroud, and radiator off another 350. The return hose is a 3/4" hose. A screwdriver can be used to check the arc when the ignition is turned. Replacing a faulty distributor may cost $200 to $500, so it is better to take preventive measures. Spark Advance In 350 TBI Engines. The fuel pressure specs for a chevy 350 tbi engine is 9 to 13 psi. The miss is a lot quieter and the truck runs a ton better but the miss is still there. Idle problem w/ 1988 IROC-Z 305 tpi. When the ignition timing is not set correctly, off-timing occurs. Apr 9, 2010 · 153 posts · Joined 2010. As you can tell, it doesn't deliver. Then set the timing to 0*, reconnect the wire. Over 350 deaths have been recorded in northern Nigeria since the outbreak began late last year Since late last year, northern Nigeria has been subject to an outbreak of cerebrospin. TBI symptoms vary depending on: The type of injury; How severe the injury is; What area of the brain is injured; TBI injuries can be both local (the exact place on the brain where the injury occurred) and include the surrounding tissues, which can also be affected by the damage to the initial site. Replace the distributor as an assembly. The effects of off-timing include reduced fuel efficiency, poor acceleration, and rough idling. If not, take note of which engine code you had. If a bad distributor o-ring allows oil to leak onto certain parts of the engine bay, the oil may find its way into wiring and hoses, which can cause them to deteriorate. Get your hands on a TBI fuel pressure test kit. Heat sink paste was like concrete so figured it fried. Depending on your make and model, you can usually expect to pay around $800 to $1,450 for a complete fuel injector replacement. There should be full vacuum at idle, around 20 inches/Hg on a stock engine. One of the first symptoms of an issue with the ignition trigger is problems starting the engine. Parts Cost: The vacuum modulator replacement part itself usually costs between $30 and $150. Explanation of 350 TBI Firing. 350 tbi problems Engine & Drivetrain. Bad ignition coil or ignition control module. There's alot of skeptics regarding the accel electronic dizzy, but here I am, using it almost everyday, for tows, Long drives, street fun, daily driving, etc. If your vehicle is backfiring, this can indicate early symptoms of a failing ignition coil. The coherence of speech also provides important clues. That indicates it moves and stays rather than a cam walk retard or other operational malady's. I would ge a vacuum schematic and validate alll the connections before you replace any more parts. With this wire disconnected, set your timing to “0” deg. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc. then once you turn the engine over and build 3 psi of oil the oil pressure switch will then trip the fuel pump relay and turn the fuel pump on as long as 3 psi of is sustained. Traumatic brain injury symptoms vary depending on whether a TBI is mild or moderate and/or severe. 1995 393 chevy suburban stopped suddenly, have replaced fuel pump, computer, injectors, tps, and iac, nothing fixes it. Ive got an 88 c1500 that I swapped the 350 SBC for a 1995 model 350 SBC and a new TH350 transmission. i have given this engine a full tune-up. ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to …. When I worked at an auto parts store, the 2nd most common computer code was for a bad o2 sensor, and most of the time, even if the person said the car was running …. cookies dispensary new york Any parts store carries these, about 35-45$$, I carry a spare now. 88 chevy 350 tbi right injector spraying to much fuel left not enough 2 Answers. Jul 21, 2023 · I have a 87 Chevy R1500 w/ 350 TBI. The way that would usually present itselfe is on hard accell the light would start flashing then by the time I would get back to the shop the light would be out. Remove the gear and tanged washer, then check the shaft for burrs. Chevy 350 TBI out of a 92 Chevy 1500 pickup (was a crate motor) Driving last week, and it stalled and can't get it started noticed coil wire disconnected from distributor, plugged back in. Since you replaced the engine then this is most likely the cause. Do you know how to be a wholesale distributor? Find out how to be a wholesale distributor in this article from HowStuffWorks. 87 R10 Silverado 2wd; 350 TBI, 700-R4 (#3) Bone Stock. Race it, break it, fix it and repeat. After using a spark tester, I found that there was no power going from my ignition coil to the distributer cap. If fuel is still not spraying go to fuel system troubleshooting before replacing any components. New used motor went in and the problem still existed but wasn't as frequent. Ignition module going bad/intermittent 3. The longer the pulse, the longer the. 3 powerstroke 4x4 and when the key is off and even out of the ignition, the power windows will roll up and down, and the blower motor blows unless you turn it to off. Try to heat the pick up coil and not the module. They use the TBI throttle bodies which are held down with two studs for the air cleaner, and the manifolds are machined for the large base distributor they use. In general, replacing a bad distributor can range from $150 to $350 for the part itself. In this case, faulty distributor cap could certainly be the culprit. If it is a faulty throttle position sensor, you definitely don't want to wait to get this checked out. One tooth off would only put the rotor slightly to the right or left or where it should be, only necessitating a slight turn of the dizzy to compensate. 3) Make sure the ignition control module mounting screws are free of rust and the module is properly grounded. If I accelerate really slowly then I can get it up to speed. If Code 33 is intermittent, Check all connections. Another symptom of a problematic ESC module is the engine stalling. Symptoms of a failing distributor module include: Fuel injectors not being triggered, so the engine will not start. If there is, then the ECM is not getting the signal to fire the injectors from the pick-up and control module. The rotor under the distributor turns in a clockwise direction. Short term sentiment is quite bearish overall, but it is not nearly as bearish as it was in May. Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow. Take a multi meter and ground the ground side of the meter and take the other lead with the key on and probe each of the terminal's in the connector one at a time with the other end of the meter hooked to ground. When a smog pump fails the finely tuned air-fuel ratios can be upset, and it will negatively affect the performance of the engine. Distributor Pickup Malfunction Affects Ignition Timing. i have a tbi 350 out of a 90 suburban in my jeep. You can then start the car to see if it is running smoothly without any strange noise again. If the computer detects any problem with the sensor’s …. The most popular MSD distributor is our standard Pro-Billet model. I have a 1987 GMC Sierra Classic 1/2 ton that is hard to start after the engine cools down and seems to be running a little rich. Will die on acceleration, and only restart with WOT. then after acceleration the idle stays at a higher RPM than normal. The other day my distributor failed on my 87 K5. way too many potential problems with an old worn distributor. First you are going to need a HEI distributor, intake, and a fuel pressure regulator. When the engine light shows up, there is a trouble code stored in the engine control module. This could present itself in various ways, such as hard starts, stalling out after starting, or difficulties turning the engine over.