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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 18, 2007
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Cavalier 2.2L Starting VIN: 1G1JC12441
good day to all, this car has been a problem for about 6 months. on short trips after engine has reached temperature, when you turn the car off it will not re-start. when you twist the key, nothing has power, no dash lights, no starter click. after waiting abo...
2002 Chevrolet Silverado 2500 HD 6.6L fuel gauge VIN: 1GCHK23182
hi everyone and thanks in advance for any help. this is my truck and i am just getting it on the road after purchasing it as a roll over builder. i have a low fuel light on and a code p0463 for fuel level error. snap on modis shows 99% for fuel level and if i ...
1996 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1868T
I am dealing with a high mileage vehicle that keeps setting an egr flow code. The system works electrically and mechanically. If you lift the egr valve, the engine stalls. The system functions normally. The egr passages seems to be clean. I performed a motovac...
1996 GMC Sonoma SLE 4.3L transfer case VIN: 1GTDT19W6T
I have A 96 GMC sonoma that will not shift into 4low it shifts fine from 4hi to 2wd and vice versa. When I press the 4lo button it just blinks at me. I have tried a couple of flow charts and found I have no outputs from the tccm to the transfer case. I do have...
2000 GMC Jimmy Diamond Edition 4.3L Surge, Misfire, MIL Lamp on VIN: 1GKDT13W7Y
hi techs,the problem is an intermittent misfire.has code po300 for random cyl.misfire.always starts right up & idles fine but if idle raised between about 1000-2000 rpm you can usually feel it misfire,sometimes barely sometimes alot.the same is felt while driv... Trouble codes: P0300

Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet C3500 Cheyenne 6.5L engine VIN: 1GBKC34F8V
Thank you for sharing your experiences with me, I will start shopping for a replacement motor first thing monday morning. The rest of the vehicle is in great shape and I got it for a real good price (now I know a possible reason why) If I'm lucky I won't need ...
2000 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15W6Y
Thanks for the 12 replies.I discovered a P1631 VTD Failure code after the VCM replacement.I never had this before so I believe the VCM was the original problem.After replacing the VCM the van acted the same and would'nt start.I did'nt immediately check for cod...
2002 Chevrolet Blazer LS 4.3L Misfire VIN: 1CHCS1BW02
all i have read about the injectors on this vehicle says that they have problems. gm even has a special additive for them. there is a tsb extending them to 200,000 mile warranty. replies i got included relearning crank sensor, checking maf performance, and sti... Trouble codes: P0300.
2005 GMC W5500 5.2L No Start, Hard Start VIN: J8DE5B1675
Internal problem inside the injection pump, not sure if it was a defective fuel pressure regulator or some other problem in the pump. I will post an update when I get the final information from the diesel injection shop. Return fuel flow from the cylinder head... Trouble codes: P0405 (EGR Position Sensor out of range history code), P0400 (EGR Flow Excessive history code), P0234 (Excessive Turbo Boost Pressure history code).
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