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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 6, 2008
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Open Help Requests for GM
Help Request Answers
1998 Buick Regal LS 3.8L No Crank VIN: 2G4WB52K3W
This is my father in laws vehicle, called me and said he was stranded just up the road, so off I go, found car had stalled on him, turn vehicle over and nothing, noticed vehicle would not come out of park either, had to manually shift vehicle out of park with ...
1998 Cadillac Eldorado ESC 4.6L ac compressor VIN: 1G6EL12Y5W
hi folks , car came in with ac inop. after another repair shop gave up on it. recovered refridgerant and found that system only had 1/2 pound in it, pulled vaccum and tried to recharge could only get it to take 1#. pulled codes and got b1314 evap inlet temp se...
1988 Chevrolet C2500 Cheyenne 5.7L transmission shifting VIN: 2GCFC29KOJ
This truck came in about a month ago and had a shifting problem. All of a sudden one morning customer went out and started truck and went to drive away and trans would not shift and only would go into 2nd and then just reved up and stayed in 2nd gear. We check...
1993 Chevrolet C1500 Cheyenne 4.3L Hesitation, Stall, Poor Fuel Economy VIN: 1GCDC14Z5P
hello guys. its the ford guy getting beat up by a chevy. this vehicle came in not running. no codes and no fuel. dropped tank and replaced fuel pump/sender/filter. reinstall retest find rund bad bog and popping. retest no codes. check timing ok. new tune up. s...
1994 Chevrolet S10 4.3L bearing VIN: 9872346517
Ok trans guys, here is a do you know what it is. While installing a new clutch set in this 94 s-10 (5 speed, 4x4, and a NV3500 trans) I found on the floor a unusual item. Looks like a big plastic flat washer with 1 big hole in the center and 8 small ones aroun...
1997 Chevrolet Blazer 4.3L Excessive Emissions VIN: 1GNCT18WOV
changed catalytic converter because it had fallen apart internally, also changed fuel injectors due to excessive negative fuel trims of -13.0% on both banks, after injectors and cat were replaced fuel trims were -3.0% both banks, let customer take vehicle. veh... Trouble codes: P0420
1997 Chevrolet K3500 6.5L Cuts out, Stall VIN: 1GBJK34F5V
Hi, This truck will just shut-off while idling or once on accell for me. It came in a month or so ago dead and I put a new GM injection pump complete assembly on-FIXED. A couple of weeks ago they said it was stalling, didn't verify but I installed a new lift p...
1998 Chevrolet P SERIES 7.4L No Start, Stall VIN: 1GBKP37JIW
thanks for the help in advance tough intermitten problem this is a motor home that stalls out when driving on highway customer states after quits running they coast down the road and it will restart after about 5 minutes the codes p340 and p1351 will be stored... Trouble codes: P0340, P1351
1998 GMC K1500 Sierra SL 5.7L Surge, Misfire VIN: 1GTEK19R8W
To all; I have this GMC with what feels like a surge or misfire. It happens on very light throttle during steady speed operation or very slight acceleration, slightly worse after a hard accel. but runs o/k during a hard accel. Feels like a soft misfire or surg... Trouble codes: P0300 (random misfire)
1998 Pontiac Firebird Firehawk 5.7L MIL Lamp on VIN: 2G2FV22G2W
Hello, have a clean low mileage Trans Am that I installed a Vortech supercharger kit on and now have a camshaft position sensor code..I believe this might be a programming problem with the software supplied by vortech,but I checked the three pins at the sensor... Trouble codes: 342 (camshaft sensor voltage low)
1999 Pontiac Grand Prix SE 3.1L Heater Fan VIN: 1G2WJ52MOX
I have this Grand Prix, that the Blower motor does not work in positions, 1,2,3,&4, almost all the time. It does work in Position 5 most of the time. I tried a new resistor, which made the blower motor not work in any positions. I also found the vacuum source ...
2001 Pontiac Grand Am SE 3.4L Cuts out VIN: 1G2NF12E42
Good mourning guys, I have a problem with this grand am that cuts out going down the road. It really acts up when you power brake it its quit violent. Also if you accell to 30mph in manual low and let off it shacks the car apart on Decel.I have scoped the 7x a...
2004 Saturn Ion-2 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G8AJ52F84
hi techs, this vehicle came to us after the owner took it to the dealer. vehicle has a very rough idle (misfiring). dealer told owner problem had to do with valves or springs, but vacuum looks good. Fuel psi= 57, the car runs great off idle, accel, and cruise.... Trouble codes: P0300

Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Century Custom 3.1L low beams VIN: 2G4WS52M8X
2001 Cadillac Seville STS 4.6L Low Beam HID VIN: 1G6KY54921
Thanks for the help on this car. We decided to order all the parts that Cadillac suggested. In the process we found out the answer to the original question, which was why must we replace the ballast and the harness. The new harnass is an adapter to connect the...
1986 Chevrolet Corvette 5.7L No crank VIN: 1G1YY6782G
Hey there, So as I thought we had problem w/VATS. I was trying to fix this without puchasing the $60. harness kit, but I took the easy way out.. because I'm sure you jump something in the module but ran out of curiosity w/this one. Thanks for your time Dave
1991 Chevrolet Camaro RS 5.0L Stall VIN: 1G1FP23E1M
Installed plastic gears in trans and new speed sensor which is driven by plastic ratio gear. and speedometer corrected itself and stopped shut down engine
1995 Chevrolet G20 Chevy Van 5.7L Excessive Emissions, Stall VIN: 1GBEG25K1S
Thanks to all who replied. For some reason, [and nothing we did to fix it],the van suddenly runs fine. It did this before,[ran good for a week],then failed again. So its sit and wait again. If it fails again we will re-open.
1997 Chevrolet Corvette 5.7L ABS light on solid VIN: 1G1YY22G5V
Thanks to Alex and Robert for their help.The fix was to properly install the yellow connector cover over the SDM module connector and lock it w/the black connector lock.The black connector lock also engages the shorting bar on the module plug. Lesson learned.
2005 Chevrolet Silverado 1500 4.8L vents VIN: 1GCEC14V85
I could not duplicate problem, and returned vehicle back in service, I suspect the vent actuator is acting up, will replace that if it comes back in. Thanks alot for the advice guys.
2006 Chevrolet W3500 5.2L idles VIN: J8BB4B1646
Thanks for all the replies. A special thanks to David [...]. He was right on the money. We replaced the SCV and it corrected the problem. We did try to replace the fuel filter first (before I posted a help request), but that did nothing. thanks for the info... Trouble codes: P0091.
1997 Oldsmobile Bravada 4.3L No Start VIN: 1GHDT13W3V
it was bad connections under the fuse box and ecu found a couple loose and bad . so tightened and fixed and no more symptom. thanks for all of your help oout there.
1995 Pontiac Firebird 3.8L Turn Signals VIN: 2G2FS22K3S
Hey all! I finally got back around to this Firebird. I finally got a chance to check it out myself and low and behold there was a burnt out bulb in the right taillamp assmbly. I havn't had a chance to get back to this thing due to the fact it was out of town. ...
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