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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 21, 2005
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Open Help Requests for GM
Help Request Answers
1997 Cadillac DeVille 4.6L Hesitation, MIL Lamp on VIN: 1G6KD54Y3V
Engine runs good most of the times but hesitates on acceleration once in a while and immediately sets code P0101. Freeze frame data: Fuel system closed loop... Load 26.2% ...Coolant temp 212 deg... Short term fuel trim 1 -16.5%... Long term fuel trim 1 -17.... Trouble codes: P0101 (Mass airflow problem)
1996 Chevrolet Camaro 3.8L Surge, Cuts out, Slight buck (hitch) VIN: 2G1FP22K4T
Hello fellows. Does anyone know what trailer hitching is? That is my best description of symptoms on this car. It seems to do this worse under 40 MPH, but does not matter what speed the car is in. Engine does not have to be under load. In fact it reacts worse ...
1998 Chevrolet K3500 Cheyenne 6.5L 4x4 electricel VIN: 1GCHK33F4W
please help guys this one kicking my but .this came in for no upshift in low range . scanned with modis and found 4x4 not engaging so figured pcm just doesnt realise that its even in low range. found that transfer relay wasnt getting power to it . i found that...
1999 Oldsmobile Intrigue GX 3.5L Unknown VIN: 1G3WH52H8X
Hello group, I have one here that is making me a little nervous.Last week this car came in with the customer complaining of a S.E.S. light on and the transmission was shifting very hard.Also the car would stall when it was put in gear. I drove the car to ver...
1989 Pontiac Grand Prix SE 2.8L Hesitation, Stall VIN: 1G2WP14W4K
Upon startup, the vehicle starts and idles perfect (around 900 rpm). Upon acceleration (whether slight or hard)idle sags and stalls. Once warmed up, if you hold TPS at 1-2%, vehicle while almost stall, then rpm instantly goes to 2000 rpm, then is fine, until r...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick Riviera 3.8L Drivetrain VIN: 1G4GD2214V
Gentlemen Thank you for all your help this vehicle has left my shop without being repaired. Lawyers got involved and I have not been paid for my time. I received some good info from you guys and I think the problem may have been in the trans mount that the rac...
1990 Chevrolet S10 2.5L Excessive Emissions, Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1GCCS14E1M
There is no way I can give specific thanks for all the help I received so this is a final summary of repairs we did. Found #2 spark plug was cracked, #3 spark plug wire came apart, snugged up intake manifold bolts and checked for vacuum leak, backed the thrott...
2002 Chevrolet Silverado 1500 5.3L Stall VIN: 1GECK19T22
checked fuel pressure and fuel regulater every things checks out ok no problemsfound .also unable to verify problem again at any other time
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