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Prev Professional Automotive Repair Technical Discussions for March 28, 2009
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Open Help Requests for GM
Help Request Answers
1988 Chevrolet V30 Silverado 7.4L Cuts out VIN: 1GCHV34N8J
This vehicle came in with complaint of "fuel tanks not switching" We changed the fuel valve assembly & switch with a OE Chevy part, Condition still present, When it happens we DONT hear the valve switching, (2) New valve assemblies were installed. (thought pos...
1993 Chevrolet S10 Blazer Tahoe 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1GNCT18W3P
i got this blazer and it needed a spider was dumping fuel like crazy the owner drove it for a little while running the way it was. i replaced the spider and it would run better and not use as much gas as it was but still ran rough i did a compression test and ...
2001 Chevrolet Silverado 1500 4.3L Surge, Cuts out, Stall VIN: 2GCEC19WX1
All of this is said to have started after fuel filter replacement in Feb. Customer thought he may have gotten a tank of bad fuel, refilled day before brought truck in. Vehicle came in the other day with complaint of bucking/surging while driving down the road...
2005 Chevrolet Silverado 1500 4.3L abs sensors VIN: 1GCEC19X65
this truck came in with abs activation at around 9mph. i scanned for codes and found rt front sensor out of range. next i viewed data stream and found rt front sensor dropped at around 9mph. also i noticed all sensors read 3mph while sitting still this i could...
2001 Oldsmobile Alero GX 2.4L MIL Lamp on VIN: 1G3NK52T81
Hello to all, hope all is during these tough times. Anyway I have a 2001 Olds Alero 2.4 liter with a p0440 code. The code does not set right away but it is consistant. I have checked The purge flow valve and the vent valve, both are operating fine. I have chec... Trouble codes: P0440

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L No Compressor engagement VIN: 3G5DA03E72
Thank all of you for your great replies. It seems we had a bad IPC. The ambient temp sensor in front of the condenser core is wired to the IPC. It is my understanding that the IPC reports ambient temp to the ECM and it uses this value as enabling criteria ...
2004 Buick Rendezvous CX 3.4L Starting VIN: 3G5DA03E54
Customer is awaiting funds. I have not fixed this vehicle, but have determined that we need a PCM.The crank relay is turning on when switched to run position. We verified this by testing the circuit to the crank relay and an audible click.When switched to the ...
1996 Chevrolet K3500 Cheyenne 7.4L heater core VIN: 1GCHK39J4T
Thanks to everyone, i will call this one fixed for now. i checked for electrolysis before i started and read .2vdc. We replaced the heater core(which was leaking in the core to side/end area_with another alum core.) Removed the ground to heater core. FLushed s...
1995 Oldsmobile Cutlass Supreme 3.1L MIL Lamp on VIN: 1G3WH5ZM55
thanks for all the prompt responses. most responses said clean port between egr and throttle. port was clogged. cleaned port and code han't returned yet. Trouble codes: 77 (egr soleniod 3 error).
2001 Oldsmobile Intrigue GX 3.5L Surge, Stall VIN: 1G3WH52H61
thanks to all who replied! it turned out to be the fuel pressure regulator it was leaking in to the vacuum line when replaced fuel trims went back to normal and gained 10lbs. fuel pressure
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