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Prev Professional Automotive Repair Technical Discussions for February 20, 2005
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Open Help Requests for GM
Help Request Answers
1997 Buick Skylark Limited 2.4L Poor Idle Quality VIN: 1G4NJ52T6V
Fellow Techs, #3 cylinder misfire can be corrected by leaning on intake manifold. Idle becomes normal. Before I change the intake gasket, please advise if there is anything special which I should know or do to prevent this from happening again. Thanks,
1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G1JC1242V
the car came in driven from out of state. the customer told me that it was in a shop and the tech said that the no 4 injector was bad because there was gas in the oil. he replaced just the injector seals and changed the oil. at the time the customer wouldn't c... Trouble codes: P0301
1998 Chevrolet Cavalier LS 2.4L intake manifold VIN: 1G1JF52T7W
Fellow Techs, This vehicle has excessive misfire on #3. Intake manifold is leaking. I can lean on manifold to change misfire. This appears to be a cronic problem with Quad 4. Before I change the intake gasket, is there anything that I should know or do to th...
1998 Chevrolet Malibu 2.4L steering VIN: 1G1ND52T4W
automobile came into shop with a leaking hi-pressure power steering line.owner complained of a whine and vibration noise when turning wheels sharp left or right: replaced hi-pressure line & bled system completely: whine noise gone but vibration still their whe...
1994 Oldsmobile Cutlass Ciera 3.1L Poor Idle Quality, Misfire VIN: 1G3AG55M5R
engine runs real good at hi way speeds 55 to 70 mph. around town and idling the engine runs somewhat rough. surges and lopes at idle and tailpipe smells like a lean injector. i have worked on these cars for over 25 years and this one is my winter car and it ha...
1997 Oldsmobile 88 Royale 3.8L air bag light VIN: 1G3HN52K0V
i was wondering if any techs know the correct procedure to reset the air bag light i tryed to reset through my scanner but the light stays on with "no codes", the car has been sitting for 4 months i replaced the battery and now the light stays has anyone run i...
1995 Pontiac Grand Prix SE 3.1L Poor Idle Quality, Misfire VIN: 1G2WJ12MOS
This vehice was brought by a new customer who claims to have purchased the car from " A little ole Lady". Odometer shows 31,000 and condition of the vehicle indicates that the mileage is probably correct. Engine has a missfire at all speeds, more noticable at ...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet C1500 Suburban 5.7L Cuts out, Misfire, MIL Lamp on VIN: 3GNEC16R1X
Thanks for all of your replies. The vehicle is now fixed. We checked the cam sensor with a lab scope and it was ok. We removed the distributor for a visual inspection and found that the drive gear on the distributor was worn. (The cause of this was the high vo... Trouble codes: 339 (crankshaft pos sensor intermittent).
2000 Chevrolet Silverado 1500 5.3L No Start VIN: 1GCEC19TXY
I want to thank everyone that replied most everyone that answered mentioned fuel pump assembly or pressure regulator,however, customer has not return in order for us to run more test. Thanks again
1992 GMC Jimmy SLE 4.3L idle flair up VIN: 1GKCS13W9N
thanks to all that replied about this vehicle it appears that the battrey was the problem iwent to move the truck out of my bay that morning and boom the battrey exploided put a another battrey in the vehicle after a couple of starts no more flair up the vehic...
1994 Pontiac Grand Prix SE 3.4L MIL Lamp on VIN: 1G2WJ12X4R
well after checking everything a few times it turns out that the replacement ecm from auto zone was defective, hard for me to believe it would act exactly as the original. thanks for your replies Trouble codes: 1640 (quad driver a failure).
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