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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 20, 2004
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Open Help Requests for GM
Help Request Answers
1987 Buick Electra Park Avenue 3.8L Poor Idle Quality, Stall VIN: 1G4CW5131H
Car stalls when put in gear and has rough idle. Sometimes dies right after starting. Once past idle car has good pickup and power.
1999 Buick Regal LS 3.8L starter VIN: 2G4WB52KXX
vehicle is in for an intermittent no start, I have experienced this a few times. The starter does not engage at all, there is no voltage at the solenoid. I have read the fix database and found one other with the fix being the ignition switch. Hoped there may b...
1976 Cadillac Seville 5.7L Poor Idle Quality, Stall VIN: 6S69R6Q516
This vehicle exhibits a start and stall which seems cold enrichment related. It is almost impossible to keep running without feathering the throttel introducing more air and fuel. Once warm vehicle runs beautifully without any symptoms. I have checked both IAT...
1995 Cadillac DeVille 4.9L Drivers heater output VIN: 1G6KD52BXS
This caddy came in with the original complaint of blowing cool air out of ducts. After checking out found waterpump leaking and radiator low on coolant. We replaced waterpump and now has good heat blowing out of P\S floor vent, 140 degrees, But by the time it ...
1997 Cadillac Catera 3.0L oil in the radiator VIN: W06VR5456V
we have a 97 cadillac catera that has oil in the radiator. the car runs fine no water leaks or oil leaks. we suspect the radiator but we can't find any oil cooler lines that run of, of there. if any one has seen this before please let me know. we did a block t...
1997 Chevrolet C1500 Suburban 5.7L starter VIN: 3GNEC16R8V
Customer states that after an extanded drive the truck ,at times,will not start. Owner also states that they must wait for 30 to 45 minutes when trucks fails to start, then it will crank normaly. On one occation owner slamed the gear selector into park as hard...
1998 Chevrolet Lumina 3.1L SRS light VIN: 2G1WL52MXW
Car originally came in with SRS light on and codes for open in drivers circuit and deployment commanded. Drivers clockspring replaced, vehicle was fully inspected and no signs of accident damage was seen. SIR diagnostic module was replaced as per repair manual...
2000 Chevrolet Suburban 1500 LT 5.3L No Start, Stall VIN: 3GNFK16T0Y
Hey Guys, I'm coming to the best of the best hoping some one has came across this problem before. Vehicle came in on the hook with a "Died while driving" complaint. Customer was on the freeway driving @ 65mph when vehicle died. Initial inspection Found ECMB 20...
2001 Chevrolet Tahoe 5.3L transfer case VIN: 1GNEK13T71
Gentlemen, I have a 01 Tahoe with the service 4wd light on. Code present is C0387. It appears to be stuck in 4-high. If you clear the code and only push 2-hi, code will not reset. As soon as you push any other position, code comes back instantly, and all ligh...
2002 Chevrolet Silverado 3500 6.6L fuel gauge VIN: 1GCJK33142
The fuel gauge shows empty all the time. If we disconnect the sender and ground the wire the gauge shows full. After reconnecting the wiring the gauge will show correctly (full) for a few restarts and the it gets stuck on empty. Connectors look good, wiggle te...
1992 GMC motorhome 454CID engine VIN: 70N6322373
Okay, I really hope that someone can help me out with this POS. This truck will backfire through exhaust going down the highway. It will also run like it is running out of fuel. The fuel pressure regulator was changed and the fuel pressure is normal (12-15psi...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Regal Custom 3.1L rear pads VIN: 2G4WB52L2S
I am going to call this one fixed. I can not get the customer to bring the car back to check. I believe the problem was tech error. The job was originally done by one of my techs and i think he may have rushed it. When i took the back brakes apart to check all...
2000 Cadillac DeVille 4.6L left rear tire wear VIN: 1G6KD54Y7Y
The rear camber problem on the cadillac was corrected by using a shim from a NAPA store. The alignment products we use at our shop are only MOOG and they do show a shim availble for that situation. I would like to thank those of you that offered a solution or ...
1999 Chevrolet Astro 4.3L Hesitation, Misfire VIN: 1GNEL19W6X
We did not get AWD light figured out and the customer has not brought the vehicle back in yet. Sorry to have to end it this way but that is how the ole ball bounces. Trouble codes: P0101, P0463, U1041, U1192, C0226, C0222.
1992 Geo Tracker 1.6L No Start VIN: 2CNBJ18UXN
Thanks for the replies. I was able to re-engineer the wiring on this vehicle. Most replies mentioned that this is an ongoing problem with these vehicles.The cheapest used ecm I could find was $240,and I wasn't comfortable with that,knowing that they have troub...
1994 GMC Safari SLE 4.3L Surge VIN: 1GKDM19Z1R
You guys are great! Another fix for the records. 6 out of 11 hit it right. I hang my head on this one. Even though I knew there was a loose CAT CONV substrate, I chose to ignore this because there was no noticable loss of power and my back pressure gauge read ... Trouble codes: 32 (EGR Excessive Flow).
1999 GMC K2500 Suburban 5.7L ABS Module VIN: 1GKGKROXJ7
thanks to all the people who replied, I appreciate it. The sensors were rusted, and rust had pushed the sensors away from the trigger wheel, and after discovering this issue, cleaned the base and installed new sensors and retested the vehicle and now has prope...
1997 Pontiac Grand Prix SE 3.8L alarm system VIN: 1G2WP12KOV
Sorry for the delay in response. The problem was indeed the body control module. The module did not need to be flashed it was a bolt in . This was after removing the aftermarket alarm and remote starter. Thanks to all who replied.
1998 Saturn SC2 1.9L No Start VIN: 1G8ZH127XW
Turns out it was a bad crank position sensor. Most of the replies I received said to replace the crank sensor because the sensor tend to go bad on Saturns. So I did and it fixed the problem. Just to make sure, I removed the old crank sensor and put it in a...
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