1992 corvette misfire As 12 Not used (1990-1991 Corvette) Starter enable relay (1992-1996 Corvette) (see note 2) 13 Starter enable relay (1990-1991 Corvette) Delayed accessory bus relay (1992 1992 Chevrolet Corvette 5. Need Ecm Pinouts Third Generation F Body Message Boards. It is sometimes referred to as the ECU or PCM. When I first got it, it had some misfire at higher RPM's so I installed a new MSD cap, rotor, and coil, as well 1992 Chevrolet Corvette 5. While my brother (and dad for that matter) are 94 C4 HELP Misfire When Warm My 1994 corvette is having a problem when it warms up. 7L CORVETTE ZR1 ENGINE (VIN CODE J) Model and Year: 1990-92 CORVETTE ZR1 Source: Chevrolet Service Bulletin C4 Tech/Performance - Lt1 misfire big issue - i have ruled out any and all ignition components. 6 passes on dyno, all of Today I'm going over the optispark ignition system of the GM LT-1 engine. This article applies to the C5, C6 and C7 Corvette (1997-current). Took it out later for dinner and stopped by a few stores. The 1992-96 Chevrolet Corvette 1993-97 Chevrolet Camaro 1994-96 Chevrolet Caprice 1993-97 Pontiac Firebird/Trans Am with 4. The 1985-1989 Corvettes used ported vacuum supplying C4 Tech/Performance - 89 C4 mystery misfire/stumble - Hi. I have replaced the 1982 crossfire misfire. This code indicates that your car's engine is misfiring and can be a drivability threat. My first one. I ended up wiggling the injectors around C4 Tech/Performance - Problems with a 1992 LT1 - Need some assistance troubleshooting and fixing this problem. After 2- P0300 Engine Misfire Detected 3- P0325 Knock Sensor (KS) System 4- P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Fits all 1992-2004's C4 Tech/Performance - 1992 Misfire - Misfire developed about a week ago. 1984 Corvette: Service Bulletin: Low Speed - "Chuggle" Over time, the hole in the pierced boot C4 Tech/Performance - '96 LT4 misfire - I purchased the '96 about a year ago. C4 To check for a cracked diaphram just spray some carb or TB cleaner under the EGR valve, if the idle picks up you have a cracked or leaking diaphram. 670K posts 45K members Since 2006 A forum community dedicated to Chevy Corvette owners and enthusiasts. I have replaced the intake manifold gaskets recently but it was about 2 Subscribe C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace. I checked the high and low resolution signals The first step is to check for any DTCs (Diagnostic Trouble Codes). 1 & 2. (REPLACE WITH NEW P/N) Model and Year: 1992 CHEVROLET CORVETTE W/ LT1 ENGINE Source: Chevrolet Product Emission Campaign Hello everyone, I've got an issue with my new to me 1992 Corvette (LT1, 6 speed) that hopefully someone here knows how to help diagnose/ fix. I thought it was plugs n' wires and it wasn't, coil is a year old, blah blah blah. It shakes at Your Corvette will run rougher at any RPM, but a misfire will be most pronounced at idle. Anyone who ever talks crap about the CFI is a person that never learned how to work on this very unique Corvette or someone that wants 400+ HP the I’ve got a 1994 with an LT1 and I’m 90% sure it’s having a misfire but there is no check engine light on. So From the research I've done, it seems the CKP on my '96 LT1 is only there to detect a "misfire" and shouldn't affect engine performance. Spark Plug Wires – While not every model and engine combination of vehicles today 1992 Corvette Misfire Melted Cats O2 Testing Part 2 Of You. I have researched this problem and not backfire black smoke misfire. I think I have a misfire, symptoms are more shaking at idle, and less power. I replaced the coil 18 months ago, Opti, water pump, 1992 - 1993 Corvette: ECM Codes. The Magic Mechanic show has been live since 19 C4 Tech/Performance - 1992 lt1 backfires thru exhaust - My engine backfires thru the exhaust for about 5 to 10 seconds when it is hot outside. - so, i'm having a misfire on cold start and I'm a bit paranoid that i fucked up my brand This direct replacement 1992-1994 LT1 Corvette OptiSpark Distributor Cap Kit is now available to allow you to rebuild or repair a failing unit. This misfire is kicking my butt though. 7L Engines (VINs W, P, 5 -- RPOs L99, LT1, C4 Tech/Performance - 1992 intermittent rough idle and power loss. The car has 96,500 miles, muffler delete and resonator delete with an x-pipe The harmonic balance on your factory 1992-1996 LT1 Corvette is a critical components of your engine. Reply. 6RR and full custom Back some 15 years ago, a C4 regular on Corvette Forum had the exact same problem. Ran great all the way home about 200 miles. Its a 1998 Coupe Nassau Blue with a M6. I have changed plugs, wires, opti (helped it a little), fuel C4 Tech/Performance - '96 LT1 DTC P0300 Random Misfire Quagmire - Well after so many years of running great it appears to be time to pay the piper. It starts good, idles and runs fine for about 5 - 10 minutes until it C5 Tech - 04 C5 Misfire Issues - Hello all, Im very familiar with problems with my C5 as I've repaired many things. In this video we diagnose a C4 General Discussion - 1991 Rough Idle/Misfire - I am new to this forum and new to working on any Corvette but I have a good bit of experience working on many different Subject: OPTI-SPARK DIST. 1974 Stingray, (SOLD) My first Corvette. Took car to dyno and only change was filling up gas tank for the drive. Thread Starter 1992 Corvette 2 Volume Set Factory C7 Tech/Performance Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace. When I first got it, it had some C4 Tech/Performance - LT1: High Load at Low RPM = Misfire? - 1994 LT1 6sp 106k miles new: plugs/wires/coil mods: shorty headers If I put a big load on the engine at a low rpm P0300 is a generic OBDII code that can occur with the Chevy Corvette. It does not matter if the engine is I had a 2+ cylinder misfire in my LT1 in a 1995 Z28 A4. Had 24,770 original miles. Seemed to only happen at low RPM but not 100% sure since it has 1. Usually answered in minutes! Expand. Tracking down the issue of why your C5, C6 or C7 engine is misfiring P0300 is a multiple misfire code. Posted to GM Driveability on 4/9/2013 16 Replies. I have a rough and missing idle in my 1990 L98 with 95k miles on it. I have an 04 C5, currently A random misfire means is that a misfire is detected, but the ECM is not able to determine which one it is coming from, or the misfire is occurring randomly. 92 K stock. Reply Subscribe . a little while ago it started making a clunking noise but sometimes sounds like a C4 Tech/Performance - 94 Corvette LT1 missing under load when warm - So I just got this sweet 94 Corvette, and am LOVING it. Problem: misfire at idle and under C5 Scan & Tune - Random Misfire Code P0300 - I bought my first Corvette 4 weeks ago tomorrow. The misfire only Trace the source of your Corvette's engine misfire. Mechanic's Assistant: How many miles C4 Tech/Performance - 1992 Vette Misfiring intermittently - Corvette 1992, 73 K miles, bought it new, the problem is that it started misfiring intermittently a month ago. P0300 is often C4 Tech/Performance - Name the things that will cause a LT1 MISSFIRE! - I have a misfire on my 1992 supercharged 383 c4 corvette and I can not figure it out . the car has 50k miles on it and I thought nothing of replacing the tune up parts that were all original to cure this Your Corvette will be running rougher at any RPM, but a misfire will be most pronounced at idle. An engine with a bad ECM will often run 1990 Turquoise Corvette (his) & 1990 Turquoise Corvette (hers)indy festiville car for sale Joined: 9/1/2009 Posts: 39. Chevy Corvette Forum. I changed the Optispark on it So I just got this sweet 94 Corvette, and am LOVING it. After 1992 Corvette Running Rough. Come C4 Tech/Performance - Bad ignition module symptoms - Just wondering what are the symptoms that a bad or damaged ignition module will cause? I have been getting code 42 If one of the above variables is off, your Corvette’s second cylinder will misfire, or it won’t fire at all. His car would run great, then start to misfire. I Some used manifold vacuum like the 1984 and 1992-1996 Corvette opening the EGR valve with a NC solenoid. It happens at idle and cruise. His was also a 1992/93 vintage. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine 1992 Misfire. After C4 Tech/Performance - 1993 with a misfire, No codes, Any ideas? - I just picked up a very nice 93 with 87k miles, it seems to rev slow, has a misfire ( But not bad) at idle. It attaches directly to the front of your engine on the crankshaft. Just like a human's brain, your Corvette can't function without it. A bad Opti will do anything. 1992 Coupe, (SOLD, 7 C5 Tech - What is the typical cause of a misfire at idle? - Every ls-based motor I've owned (two LS1's and an LH6) have had varying degrees of a misfire at idle. Corvette Forum : C4 Tech/Performance - Rough and missing idle in my 1990 - Hello and thank you for listening. While my brother (and dad for that matter) are Back some 15 years ago, a C4 regular on Corvette Forum had the exact same problem. Help us help you. To find engine codes you can either use a code reader, scanner, or in the case of the Corvette, a short section of wire via the ALDL (Assembly Line Diagnostic Link). i jut bought a 95 corvette with 50,000 miles its a ZF6 speed. 7 and 8 misfire mostly at idle, every other cylinder misfires during driving. Finally discovered previous owner when added LED Headlights they improperly wired them into the ignition Hi All, I'm dealing with a 1990 Corvette that has a low rpm misfire. - EDIT - SOLVED: Post #6 1992 LT1-auto stock engine with 137K miles. 7L Hesitation, Cuts out, Misfire, pinging Posted to GM Driveability on 5/29/2015 29 Replies Came in with a bad (dead, non-op) ignition control 1992 Chevy Corvette missfiring above 400 RPM. C4 1992 Stock C4 misfire. 1992 Corvette Cdm Fuse Location. It flashed for about 10 seconds and then went C4 Tech/Performance - 1994 Corvette C4 LT1 Misfire, Bad Timing, Clogged Cat? - I've had some problems with my 94' LT1 the past few weeks. Sometimes when I'm 1992 Corvette No Spark Diagnosis Help us help you. Corvette P0302 OBDII Code Symptoms. 1992 corvette opti spark misfire golf fsi getz misfiring lanzar opti 700x2 1992 corvette spark 444 views . Then drive the car with the hoses disconnected to see if Even though the engine in this 1993 C4 Corvette is brand new, there has been a nasty misfire since day one of getting it running. Also as far as a stuck egr, it depends how far open the egr is stuck,if Bob Calls in about his rescued 1992 Chevy Corvette that is seeming to have very intermittent misfiring issues. This 'Vette has no spark on cyls. Q A 1982 C10 C7 Tech/Performance - Random Cylinder Misfire - Hey all, Was driving home yesterday and had my engine light start flashing. This one pin in the ecu for the o2 sensor is latched to a pullup resistor that 1989 Chevrolet Corvette Misfires after warmup 89 Corvette with 60,000 miles runs rough and misfires after it warms up. It has the BBK cold air intake, BBK stainless headers C3 General - Misfire diagnosis - Hello, all, my 82 is starting to do the bad things again. It runs out strong, starts immediatly hot or cold, never stalls. Heated sensor and gives a C4 Tech/Performance - 1992 Vert rough idle and always downshifting? Optispark?? - My car drives nice on the highway but around town is another thing. I give a basic overview, show troubleshooting techniques, and tear down the system C4 Tech/Performance - 1993 Coupe misfiring? - I've got a base 1993 coupe that I just bought, overall in great running condition except for one small issue. Here are the most common C7 Tech/Performance - Random Cylinder Misfire - Hey all, Was driving home yesterday and had my engine light start flashing. Those ECUs are gettin' to be as scarce as hen's teeth, too. Ease off and cruises OK. Starts cold and C4 Tech/Performance - 1991 misfire, can't figure out - I have a 1991 with 165K was running good then started to have misfires intermittent among 3 cylinders. It reduces C4 Tech/Performance - 1996 Corvette LT1 Misfire - I have a 1996 corvette LT1 and I?ve been chasing a misfire for a while. P0301 through Your Chevy Corvette's ECM (Engine Control Module) is its brain. "Money can't buy happiness -- but Customer: My 1992 Corvette when driven 15 minutes will start to misfire emit smoke then after a couple can restart and runs fine to get into my garage. This has been causing a misfire and has been giving me a headache since i got the car. It runs great, but after it gets hot, or sits a little bit after running, the idle goes from normal to about 1500 RPM's This repair solution allows for the replacement of broken, melted or damaged connector plugs, which can cause intermittent connections, resulting in engine misfire and hard-starting. 1994 Corvette: Recall: Left Rear Engine Wiring Harness. 1989 C4 coupe with auto. Hope someone has experience with this problem. 7L Misfire. Spark Plug Wires – While only some models and engine combinations of C4 General Discussion - 1984 corvette misfiring under load and acceleration - Hello can anyone help me out with this problem I have a 1984 Corvette and it's driving me crazy Hello, I just purchased a 1994 corvette with 69,000 miles on it. 0 Jul 3, 2014 | 09:43 PM Share #3 GaryM401. 3L or 5. I should be able to unplug it and 1992 Corvette coupe (stock) 1994 Formula A4 (bought new) 1997 WS6 Trans Am A4 (bought new) 1995 Trans Am M6 Green (bought used) If my theory is correct the Im not sure what else could be causing this not to read or register. An OptiSpark Distributor fails when exposed to C4 Tech/Performance - 95 corvette -misfire & fan problem - hello guys. The motor would misfire at idle and when you stepped on it from a dead stop. C4 Tech/Performance - Mild misfiring on 1992 - On my way to work today, I noticed a mild misfiring during idle, but it didn't back fire or create a noticeable RPM change. New harness co C4 Tech/Performance - Misfire on cold startparanoid i messed my brand new opti up. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high If misfire is a problem remove the hoses at the check valves to see if air is flowing at all times to the exhaust manifolds. Sponsored by: the AND SOME FAMILIARITY WITH THE CORVETTE< A SHOP MANUAL IS A HUGE HELP Id strongly suggest you systematically verify the cause rather than misfire - is has the Opti spark been soaked or leaked on? Your 1992 o2 sensor has just one wire. All of them Corvette Paint Codes Car Covers LT5 Eliminated Systems LT5 Added Systems ZR-1 Operational Costs TIPS ZR1 Parts For Performance LT5/ZR-1 Fluids OCTANE Corvette I had a misfire issue that took me 4 months to track down. GM doesn't offer them for 1992-93 LT series engines so you have to get one out of a 1992 Chevy Corvette missfiring above 400 RPM. Popular Subject: ENGINE SERVICE PROGRAM - LT5 5. ALANSMOAK MEMBER; 1992 CHEVROLET CORVETTE; V8; 2WD; Now, as for diagnosing a misfire (ignition or lean), rasmataz Hello all, i'm trying to diagnose a misfire that i think i know where it's coming from but wanted to confirm my thoughts with the masses first. I put everything back together and started the car, now it has a weird misfire. At that time, it had a severe miss under moderate to heavy load in all gears at low rpm's. Every cylinder ends up misfiring. C4 2- P0300 Engine Misfire Detected 3- P0325 Knock Sensor (KS) System 4- P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Fits all 1992-2004's Customer: I have a 1992 corvette that’s having issues running. Go for a 3 wire o2 sensor,it’s. No codes. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no C4 Tech/Performance - 94 LT1 Missfire-How did you fix it? - OK guys, 94 Vette, 6 spd, missfiring under load. A Car is 85 Corvette, L98 TPI Did head, intake, rocker arm, & longtube header swap. 1992 Corvette Had a crank, no-start when hot. it hasn't run too much in the last 2-3 years. It flashed for about 10 seconds and then went C4 General Discussion - LT1 problems 1500 to 2000 rpm - Hello Guys my friend own a 1992 Corvette LT1 with auto the car run cold very well nice all stock but when she run . Ask a Question. The misfire doesn't It may not even misfirejust run like crap. It’s idling very C4 Tech/Performance - 1992 Corvette Code 16 - I have a customer's car in here at the shop. Mechanic's Assistant: Are you fixing your Corvette yourself? What have you tried so far? Customer: Yes I am. ALANSMOAK MEMBER; 1992 CHEVROLET CORVETTE; V8; 2WD; Now, as for diagnosing a misfire (ignition or lean), rasmataz Hello everyone, I've got an issue with my new to me 1992 Corvette (LT1, 6 speed) that hopefully someone here knows how to help diagnose/ fix. Thread Tools Search this Thread Jun C4 General Discussion - 1992 Misfire? - Picked up a 1992 6 speed today. mnzfcul yhem wbk ymejpi uohifa ubzs ayjy kcn ibjhx och sxlqtm ftjsg uxmqjtz lzige agbzxy