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Prev Professional Automotive Repair Technical Discussions for June 13, 2004
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Open Help Requests for GM
Help Request Answers
1997 Cadillac Seville SLS 4.6L Unknown VIN: 1G6KS52Y8V
This vehicle has me in great need of someone's help. This vehicle is doing the strangest thing. It does not do it all the time but is pretty consistant. When you first pull away from a stop, in forward or reverse, the ABS pump comes on and it feels as if the b...
1991 Chevrolet K3500 Cheyenne 7.4L compressor clutch VIN: 2GCHK39NOM
Clutch fails to engage when AC is turned on. I get no voltage reading at the compressor connector. Fuse OK, replaced anyway. Does this year/model have a compressor clutch relay? No specfic listing for replacement relay (at NAPA) but they do have a general repl...
1994 Chevrolet Camaro 3.4L Misfire, backfire VIN: 2G1FP22S2R
Gave to tech to check and he thought it needed plugs, wires, and coil pack. The data stream for cam sensors looked good and the DTC 82 did not come back. My memory is a little fuzzy but I donít think it had a 3x sensor just a 2x perhaps. Anyway, I called custo... Trouble codes: 46 (pass key II error), 82 (ignition control 3x signal error)
1994 Pontiac Firebird 3.4L Poor Idle Quality, Hesitation, Stall, Misfire VIN: 2G2FS22S9R
this vehicle came in with 4 dead cylinders two wires were open and one of the coil packs were arcing through the side of the tower onto the ignition module. i replaced the plugs, wires, coil pack, and module. the car then ran. now the car has two dead cylinder...
1994 Pontiac Firebird Formula 5.7L 2-3,3-4 shift VIN: 2G2FV22P6R
we are asking for help or any ideas.This vehicle will only shift to 2nd gear.With scanner installed we found that the gear position reads 1st when in park and 2nd in all other gear selections.We replaced the gear position switch,same readings. we ran the diagn...

Fixes & Summaries for GM
Fix/Summary Answers
1990 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation, Misfire VIN: 1G1YY3383L
Many Thanks to All I sure do feel stupid yes you say you are. It was three shorted injectors, instaled 8 new ones and gess what it runs so good it even passed a calif. smog test how do you like that. Agin Many Thankis to All Mike [...] aka egg on face
1997 Chevrolet K3500 5.7L Stall VIN: 1GDJC34R0V
Several suggestions pointed to exhaust back pressure as a cause. There were a couple of comments about what to do with the crank/cam timing error and a couple other less common issues mentioned (MAF, ECM). We did an exhaust back pressure test. It has 0 backpre... Trouble codes: P1345.
1998 Chevrolet K1500 Cheyenne 5.7L brake lights VIN: 1GCEK19R6W
really sorry for the late fix. Been nuts at work and i thought i had closed this post. the fix ended up being a faulty brake switch(new), put in a new switch again and all is fine. Once again, sorry for the late post. Thanks to all who replied.
2000 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Hard start VIN: 2GCEC19T2Y
Thanks guys for the help.I tried to find vacuum leaks internal and external, performed fuel leakdown tests, and monitored on the scanner, all to to finds. I recently had a V-Tronics sales rep come by wanting to give a demo. We tested everything and could not f...
1996 Oldsmobile Cutlass Ciera 3.1L airbag controller VIN: 1G3AJ55M9T
Hi and thanks for all the responders. The Airbag controller is between the steering column and the ashtray. There are 2 10 mm nuts firewall side that need to be removed and two 7mm head screws that if removed make it easier to get the controller out of the b...
1997 Oldsmobile Cutlass GLS 3.1L No Start, Poor Idle Quality, Misfire VIN: 1G3NG52M1V
It's FIXED. Although our scanner said everything was within specs, the only thing that could be happening was the computer was holding the injectors open and, with a cold start, flooding the vehicle creating all the smoke until it warmed up. Thinking along the... Trouble codes: P0300 (random misfire).
1997 Pontiac Grand Prix GTP 3.8L Stall VIN: 1G2WP1214V
fuel pump resistor was the problem, replaced fuel pump resister car ran fine, thanks to all that helped
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