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Professional Automotive Repair Technical Discussions for April 19, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Buick LeSabre Limited 3.8L Air Bag VIN: 1G4HR52L9S Group, I'm not posting this as a help request, but rather a question on air bags. Last week I received a call from one of my customers that her air bags had deployed without warning or cause. She was driving on a smooth state highway at 50 M.P.H. Without wa... |
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| 1994 Cadillac Seville STS 4.6L Poor Idle Quality, MIL Lamp on VIN: 1G6KY5298R when car is frist started it will run ok ,but the check engine light will be on for a po80 or idle relearn. after second or third restart the car loses pcm data and codes 1034, t072, s036, set into memory. which i guess is the other modules are looseing pcm da... Trouble codes: 1034, T072 (so36 -), S036 |
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| 1995 Cadillac DeVille Concours 4.6L Excessive Emissions, Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1G6KF52Y3S Help!!! This 95 Concours was sent to me by another shop. It set's codes PO 23,25,83 intermittently. Most of the time it sets PO25 24X reference signal low. This problem started after the trans was replaced and a Delco PCM was installed. The trans shop changed ... Trouble codes: P0023, P0025, P0083 |
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| 1997 Cadillac DeVille 4.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KD54Y7V This car was bought at an auction by the customer. It came in with P0300 and P1376. I cleared the codes and P0302 almost immediately came back. I swapped plugs between 2 & 4 with no change. I swapped wires also between 2 & 4 with no change. An injector drop te... Trouble codes: P0300 (Random Misfire), P1376 (Ignition Ground Circuit), P0302 (Cylinder 2 Misfire) |
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| 1988 Chevrolet Corvette 35th Anniversary Edition 5.7L Cuts out, Stall VIN: 1G1YY2184J customer complains vette stalls 5 to 6 times in a row, intermittently, fuel injection system cleaned, fuel filter & coolant senosr replaced for prevent maintenance, drive car for the weekend no stall, done right ? wrong on the way in this morning, after car st... Trouble codes: 34 (maf sensor) |
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| 1991 Chevrolet Lumina 3.1L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2G1WN51TXM After replacing the alt the battery voltage was 14.2 on scan tool reading was 13.8 went on a test drive and it dropped to 13.1 red battery 14.2 iac valve brought rpms up to 2000 due to low voltage read. yet alt and bat were at 14.2 reading on scan tool will dr... Trouble codes: 33 (map sensor), 34 (iac error) |
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| 1994 Chevrolet Lumina APV 3.1L Misfire VIN: 1GNDU06DXR This van has a completly dead miss on #1 cylinder. Have checked spark and fuel, both are perfect. Compression is 150 psi. I replaced the cap and rotor, and found the old rotor was broken, but that didn't fix it. I would really appreciate any suggestions. |
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| 1994 Chevrolet C2500 5.7L engine VIN: 1CGC24K4RE KNOCK, KNOCK---WHOS THERE? THIS IS WHAT I HEAR WHEN TRYING TO GO TO SLEEP! NEED SOME KNOCK KNOCK HELP!!! tHIS ENGINE KNOCKS ABOUT 1 OR 2 SECONDS WHEN FIRST STARTED THEN GOES AWAY UNTIL THE A/C IS TURNED ON AT IDLE. THE LOAD OF THE A/C CREATES A LOW KNOCK KNOCK... |
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| 1996 Chevrolet Cavalier 2.2L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1G1JC524XT Cavalier stalls, shakes, misfires? runs rough - intermittent. There's some timing chain noise - we removed cover, check chain slop & alignment - ok (replaced leaking water pump on the way). Car was long overdue for ignition tune-up - replace wires & plugs - se... |
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| 1996 Chevrolet Corvette 5.7L 2-3 Shift / OD VIN: 1G1YY32P0T Yes, I have checked fix DB but ended up with more questions than answers. I have been repairing the craziest problems MB, BMW, Porsche has ever conceived but hide from GM when possible, so pardon the GM ignorance! Came in acting as if kick down cable (if it ha... |
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| 1998 Chevrolet Tahoe LS 5.7L evo? VIN: 1GNEK13R4W New customer came in today asking for help on his Tahoe;has had it to several shops complaining of touchy steering especially when towing.one shop replaced e.v.o. in pump without helping.this sounded familiar to me,so i checked Mitchell data base but found not... |
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| 1998 Chevrolet Express 3500 5.7L Engine VIN: 1GBJG31R1W Dear friends,good day. Please help me.I have this truck just can't find the problem.This truck start for about 2 seconds every time.It just woun't idle.This truck was brought in on the rig.It was not starting,found one ten amp fuse blown,replace and it started... |
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| 1999 Chevrolet C1500 Suburban 5.7L No Start VIN: 3GNEC16RXX this vehicle had belonged to a reg client and had been sold. it would not start one day and i was called. sounded like fuel starvation over the phone, told the owner to smack the fuel tank and the vehicle started. drove trhe vehicle a couple of days and then p... |
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| 2000 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Cuts out, Stall VIN: 2GCEC19W1Y Vehicle brought in for intermitant dieing, Vehicle started fine installed fuel pressure gauge and scan tool. Code U1064 in History. Let truck idle for 3 hours no problem found, did notice tat headlights would go off and come on Randomly (DRL),Sometimes will go... Trouble codes: U1064 (BCM or VTD comm failure) |
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| 2002 Chevrolet Silverado 1500 4.3L down shifting VIN: 1GCEC14W82 Out of Ideas I have this 2002 Chevy 1500 series Pick up truck !!! ONLY WITH THE CRUSE CONTROL IN OPPERATION !!! Going 55-65 mph when going up hills and the transmission down shifts it seems like it shifts down 2 gear ranges sending tach to 4800-5000 rpm ! If ... |
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| 1997 Saturn SL2 1.9L speedometer, tach VIN: 1G8ZJ5276V The cluster in this saturn was removed and the tach and speedometer removed from the cluster to install padding to correct a rattle. When the cluster was re-assembled, the speedometer and tach needles were wrapped around counter-clockwise. Both seem to have in... |
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| 2000 Saturn LS2 3.0L Surge, Cuts out, MIL Lamp on VIN: 1G8JW52R8Y I am posting this for my sons car. He was complaining about the engine light and skipping bad. When I drove the car it acted like the rev limmiter was working in gear. At 3000 rpm the car would basicaly shut down till it reaced 2500. Car would run fine except ... Trouble codes: P0300 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1987 Buick Century Custom 2.5L cooling fan VIN: 1G4AH51ROH OK,...here we go,..we received alot of responses to this. Thank you very much to all who did,..special thanx to Jake and Allen. We still contend that this car did NOT have a temp. switch to activate fan. Fan was only activated by ECM. What we ended up doing th... |
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| 1967 Cadillac Deville 429CID head bolts First off I was amazed at how many of you took the time to try to help find obsolete parts. Most restoration places did not do head bolts. After market bolt supply were of no help. The problem was that this caddy 429 was only used for 3 yrs,ready for this? bol... |
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| 1992 Cadillac Seville 4.9L dome lamps VIN: 1G6KS53BXN Well the problem appears to be in the driver's door,since I took it apart,the problem went away,but i'm sure it will come back,I've discussed it with the owner and we are going to order a new RAPIE module, the solution to this pro blem came from DAVE [...],who... |
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| 1997 Cadillac DeVille Concours 4.6L a\c comp VIN: 1G6KF549XV Most replys said vehicle has to be driven for outside temp to be updated. Vehicle has not returned for me to verify this. Next time it returns or I get a similar Caddy in I will pay more attention to what the update on the display shows if I change the ambient... |
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| 1988 Chevrolet Cavalier 2.0L back fires at cold s VIN: 1G1JC5114J After posting this message the customer decided not to proceed any further and picked up his car. Thank you for your help. Sincerely Jeff [...]. Jensen Trouble codes: 42 (est/by pass fail), 15 (coolant temp low). |
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| 1989 Chevrolet Cavalier 2.0L Poor Fuel Economy, MIL Lamp on VIN: 1G1JC1117K replaced a bad coolant temp sensor rgadflfdddddddddddddddddddddddddddddddddddddddddddddddddddd ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd dd Trouble codes: 45 (rich exhaust). |
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| 1993 Chevrolet Lumina Euro 3.1L No Start VIN: 2G1WN54TXP Well I Can't say that it is fixed but running better than before it came in at least it is running. After chasing all the power and grounds from the computer to most of the sensors and back to the ingition switch and just for the heck of it it turned the key a... |
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| 1994 Chevrolet Lumina APV 3.8L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GNDU06L5R I had 11 replies that helped in one way or the other. I would like to thank mike higgins & msajsnk & john & romain & deranger & jkcwilson . we have advised customer that we need to replace Timing Chain & Gears. Customer is not willing to come off with the mone... Trouble codes: 341 (Intermittent cam signal), 503 (Dont know), 400 (dont know), 140 (dont know). |
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| 1994 Chevrolet Cavalier RS 2.2L Poor Idle Quality, Surge, Stall VIN: 1G1JC1440R THANK U VERY MUCH guys ,its the Trans selonoid problem and its taken care , So many guys very so right abt it and i have just have to ask how many days is it ok to drive with the connector unplugged , thanks |
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| 1994 Chevrolet Caprice Classic 5.7L cooling fans VIN: 1G1BL52P3R Thanks to all who responded with great information. In the interest of raising my rating from poor, lets see how I can do with my response. Ty [...] & B520B both said if bad rad cap will cause boiling over and right they were. New cap cured the boiling over... |
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| 1995 Chevrolet Caprice Classic 4.3L Hesitation, Misfire VIN: 1G1BL53EQM There were many useful, suggestive fixes but customer approved egr replacement but declined to invest any more money at this time and decided to continue to drive car until the problem worsened or set a code. Many thanks to all who replied, this was my first t... |
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| 1997 Chevrolet C1500 Suburban 5.7L No Start, MIL Lamp on VIN: 1GNFKI16R9 Took the vehicle to my friends shop up the street who specializes in Electrical problems. He found bad connection on the prong that powers relay. |
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| 1998 Chevrolet S10 4.3L No Start Hello Well I have this thing fixed. I could not repair the terminal because the connector was melted too badly to hold the terminal in place. So I bypassed the fuse relay block and installed an external fuel pump relay,wired parallel with the oil pressure swit... |
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| 2000 Chevrolet Venture 3.4L SRS system VIN: 1GNDUO3E5Y I received no less that 22 responses. Every one was right on the money. The item that I was looking for was in the left from seat belt buckle asby. I was able to repair the poor contact at the connector located under the drivers' seat. After calling the body s... |
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| 2000 Chevrolet Malibu 3.1L sdm VIN: 1G1ND52JLY I received some emails and thanks to those who replied. Nothing really helped me although I appreciate the efforts on all of the responders parts. As this case has been submitted, and I was able to find other information and clues to help me do what I needed t... |
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| 2000 Chevrolet Cavalier 2.2L dyalight running lights VIN: 1G1JC12Y4Y as most of you said, found corroded wires under battery tray , clean and repair wires, light work fine, owner happy, thanks to all that helped |
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| 2000 Chevrolet Prizm 1.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1Y1SK5285Y thanks to everyone who responded. TM8416 nailed it right on the head when he/she said maf sensor. i came into work the next day plugged up and checked scan data and noticed at idle i was only getting 1.2 gr/sec. of airflow. removed the sensor and cleaned and t... |
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| 2001 Chevrolet Silverado 2500 6.0L Axle seals VIN: 1GCHC29U31 I am almost ashamed of making this fix reply because I should have checked this in the first place but guess what, I didn't so here was the fix. Because the OE seals are a two-piece design, the inner race of the seal stayed pressed onto the axle spindle and it... |
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| 1989 Oldsmobile Cutlass Ciera 3.3L Poor Idle Quality, Hesitation VIN: 1G3AJ51N7K The customer has not return with the car for futher testing. She said that she could live with the way the car is running. Like I said in my post the car only acts up in park or neutral, once in gear it runs fine. Some of the replies said to check the air flow... |
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| 1993 Oldsmobile Cutlass Supreme S 3.4L master cylinder VIN: 1G3WT34X5P sorry guys it took me so long to respond, i was having problems to sign in on aol,. the customer suposed to bring the vehicle back,he was'nt to happy, he said feels better (like when the car was new) , but it's not right and i agree with him. THANKS ROBERT. I ... |
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| 1997 Pontiac Grand Prix SE 3.8L 3rd gear VIN: 1G2WP5215W sorry it took so long to close this help reqest my computor was down we end up just pulling the trans like most off you said i thank you for your help and time godbless |
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