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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 19, 2005
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet Cavalier 2.4L Dome Light VIN: 1G1JF82TOW
Hi and problem is customer has `98 Chev Cavalier LS 4 door and interior/dome light stays on after exit and may come on by itself hours later. I pulled all 4 door contacts and they seemed fine, light switch on dash is Not set to Int Light, and 2 buttons on on D...
2004 Chevrolet Silverado 3500 LT 6.6L brake pedal VIN: 1GCJK39264
Customer complains of a hard/rising brake pedal when slowing from 50-30 kms. Intermittent problem only. Serviced brakes front and rear, removed front wheel speed sensors and cleaned, suspected premature abs activation. Customer assures me this is not premature...
2001 GMC Sierra 2500 HD SL 8.1L No Start
This truck will not start after the customer has been driving it and parks it for a short time. Sometimes it's just a extended crank time before it will start and some times it takes a hour or more before it will start again. Truck will run fine after each epi... Trouble codes: P0335 (crk sensor ckt fault), P0700 (TCM mil request fault), P1781 (eng torque or mil request fault), U1041 (EBCM loss of serial data communication)

Fixes & Summaries for GM
Fix/Summary Answers
1991 Cadillac Eldorado 4.9L CCR system VIN: 1G6EL13BOM
Since the customer has not bring back the caddy as yet, I would like to close my post for now. Thanks to each and every one of you who took time and replied my post. I will post the fix when he brings back for repair./ Charles.
1993 Chevrolet Lumina 3.1L Poor Fuel Economy, rich VIN: 2G1WL54T3P
thank you to every one who responded. everthing every one mentioned cheked out o.k.. we put a new computer in the car and prom. according to gm the 7727 computer in the car is absolete. the car ran better when hot but still was very rich on cold start, almost ...
2001 Chevrolet Blazer LS 4.3L Cuts out, Stall VIN: 1GNDT13W11
Thanks for all of the tips. Since the customer lives an hour away, I recommended they clean the battery terminals and replace the gas cap as several of you have recommended. When advising, customer stated that problem had not occurred for over a week, and they...
1997 GMC Yukon SLE 5.7L No Start VIN: 1GKEK13R8V
Hello again everyone. First of all let me start off by saying 'never use after market fuel pumps on anything (at least GM's).' After checking prices at the local parts houses and the dealership, the owner and I decided to take a chance on the AutoZone pump. Wr...
1988 Oldsmobile Cutlass Ciera SL 3.8L engine VIN: 2G3AM1138J
thanks for everybodys help, I'm pretty sure there must be a balance weight missing off the flex plate or maybe the wrong flex plate was installed. There is no indication inside the bellhousing that a weight has ever been ratteling around in there and you would...
1997 Oldsmobile Silhouette GL 3.4L Hesitation, Cuts out VIN: 1GHDX03E5V
Hello Fellow Techs, The customer decided he'd had enough of this vehicle and went and bought another. I appreciate the suggestions offered but unfortunately I couldn't try any of them. Thank You again. Kevin
1998 Oldsmobile Cutlass 3.1L No Start
replaced crank sensor fired right up the pinpoint test was not alot of help using the scope was the only way to test the sensor
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