× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 16, 2007
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
2000 Buick LeSabre Limited 3.8L cluster/radio VIN: 1G4HR54K2Y
customer had battery replaced 6 months ago at different shop,car sets alot.battery had gone dead,since that time customer has comlained of dash lights all coming on and radio display going out.we have duplicated this by just allowing car to idle for extended l...
1997 Cadillac DeVille 4.6L headlights VIN: 1G6KD54Y4V
I have a vehicle coming back for a problem we just can't figure out. Any help is greatly appreciated. Thanks in advance. In January of 2006 this Cadillac came in with the headlights not working. The technician at that time replaced the relay and sent it on its...
1993 Chevrolet Cavalier RS 2.2L Misfire VIN: 1G1JC5449P
Hello guys, I am a driveablilty tech, this is what I do. But this on has my whole shop stumped. 93 cavalier 2.2 came in with a missfire on load/ accel. Had no codes. We thought we had seen the ignition wires arching and they were original at 143k we thought th...
1995 Chevrolet G20 Chevy Van 5.7L Rear wheel cylinders VIN: 1GCEG25H7S
Vehicle came in with leaking left rear seal and grinding noise. Axel was ground down on one side of bearing surface, seals on both axels leaking. Replace axel( not repairable), bearings and seals. Also replaced backing plates due to groving and new wheel cylin...
1998 Chevrolet Corvette 5.7L ABS module VIN: 1G1YY32G5W
The cars ABS and Traction control lights are on. Scanned vehicle and has code C1255. (EBCM/EBTCM internal malfunction) Unable to clear code. According to Mitchells diagnostic trouble tree if you clear code turn off ignition & disconnect DLC, turn vehicle on an...
2001 Chevrolet Silverado 1500 4.8L turn signals VIN: 2GCEC19V21
with the head lights on and using turn signals,both left and right signals come on.
2001 Chevrolet Astro 4.3L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GCDM19W11
The van came back 2 weeks ago for misfire and running bad. I check codes. P0300 and P0335 were in computer. I change crank sensor. No change still have misfire and crasnk code. I have since then removed upper intake inspect gasket and look to see if there were... Trouble codes: P0300 (Misfire), P0335 (Crank Sensor)
2005 Chevrolet Suburban 1500 LS 5.3L Starting VIN: 1GNFK16Z85
I'm looking for some ideas on what to check when this comes back Monday. The owner is complaining about extended crank time before it starts. Of course I tried it 6+ times and it cranked normal times and started fine. I checked the battery terminals and bolts ...
2006 Chevrolet Silverado 1500 LT 5.3L Power acces VIN: 1GCEK19Z16
I have this claim where the Insured states his truck was parked for a short time and upon returning---the drivers door was engulfed in flames. I have not completed the C&O however it appears to be electrical in nature. I breifly scanned the TSB'S and spoke wit...
1997 Oldsmobile Achieva S 2.4L security VIN: 1G3N152T6V
Have an Olds here that security light blinks steady, no start, owner was able to reprogram key and get to me(leave key on untill security light goes out) now wont program or start can only get pcm codes as scanner wont do body have code P-1629 security problem...
2000 Pontiac Grand Prix SE 3.8L Cuts out, Stall VIN: 1G2WJ52K8Y
This is driving the three of us nuts... Batty, bonkers... lots of hair loss... Originally observed data and found everything is great (o2, maf, etc etc etc etc ), however did observe via O2 data (and took snapshot)that mixture leaned out approx 1.5 to 2 second...

Fixes & Summaries for GM
Fix/Summary Answers
2000 Cadillac DeVille DHS 4.6L courtisy lights VIN: 1G6KE57Y0Y
Hello every one,here what i found,at rear seat diconnect the data line wires one by one i found the dash itegeration module and the instrument cluster were bad both at the same time,it took me for ever to find both of them,got a used parts and the took care of...
2005 Cadillac CTS V 5.7L MIL Lamp on VIN: 1G6DN56S95
Hello techs. Since I did not get many responses (1), had to figure it out myself. 1 Called GM parts, they said there is no magnet on the camshaft 2.Duplicated the camshaft part, opposite to CAM sensor, using old cigarette lighter,[[...]], secured it ... Trouble codes: P0343 (CamShaft CMP sensor curcuit high voltage).
1997 Chevrolet C1500 Suburban 5.7L MIL Lamp on VIN: 3GNEC16R2V
Thanks for all the help, but I still have not solved this problem. I even tried another MAF. Might go back and replace both o2's again and recheck activity. Trouble codes: P0133, P1133, P1153.
2001 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK19V41
General consensus was either intake gaskets or injectors...we gave customer the info we had and we all decided to go with the intake gaskets.He picked it up Friday and havent heard back from him as of yet.Before,cleared code reset the next day.We feel confiden... Trouble codes: P0174.
2003 Chevrolet Cavalier 2.2L Excessive Emissions, Misfire, MIL Lamp on VIN: 1G1JC12F63
well i figured it out. i replaced the #2 injector and all is well and right with the world. Trouble codes: P0302.
1996 Oldsmobile Cutlass Ciera 3.1L poor accelleration VIN: 1G3AJ55M3T
A faulty fuel injector at cyl #4 caused a missfire at cyl #4, the miss activated the nearby knock sensor, retarding the timing enough to seriously affect engine power and accelleration. Temporarily disconnecting the knock sensor allowed proper accelleration, b... Trouble codes: P0300 (Random missfire).
2000 Pontiac Grand Prix GTP 3.8L Misfire VIN: 1G2WR5219Y
I had found three wires broke in the harness by the a/c dryer, and that helped the traction control, but thanks, to all the techs! Trouble codes: C0244 (traction control/anti lock brakes), P1381 (misfire detected), P1571 (traction control torque request circuit).
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next