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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 1, 2013
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Open Help Requests for GM
Help Request Answers
1996 Buick Regal Custom 3.8L Stall VIN: 2G4WB52KXT
Got code 102 MAF Circuit Low Freeze frame data showed engine rpm around 1200 but TPS is 100%. So replaced TPS with OEM figuring it was telling the computer we should have a lot more air volume because we are WOT when in reality it was only around 10% or so. ...
1994 Chevrolet Camaro Z28 5.7L Lack of Power VIN: 2G1FP22P6R
Car arrived 6 months ago. Customer had just purchased private party and was told engine was fairly new. He was experiencing intermittent stalling while driving. We pulled car in and noticed engine seemed very hot and found low on antifreeze, gauge did not read...
2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1GNDT13W6Y
Hello fellow techs and thanks in advance for taking the time to read and help us, this vehicle came in with the typical intake gasket leak and cold start misfire. vehicle has 150k miles on it and never had a the MFI unit replaced, suspected faulty poppet. whe... Trouble codes: P1351, P0300
2003 Chevrolet Malibu 3.1L Poor Idle Quality VIN: 1G1ND52J63
came in w/hi idle,noticed that not all the time.car starts good n runs good,i scanned it n tps n someting about pedal but this car has no pedal tps.has cable operated accelerator.i replaced tps but still same code n cannot erase no matter what,tried several ti...
2005 Chevrolet Silverado 2500 HD 6.6L power steering VIN: 1GCHK232X5
Customer complaint is steering stiff when making slow speed parking lot maneuvers. Truck is lifted with oversized tires. The truck has been steering fine for two years. Confirmed customer complaint truck will not turn unless moving. Wont turn at all when brake...
2005 Chevrolet C4500 Kodiak C4U042 6.6L Various VIN: 1GBE4C12X5
Asking for help from GM truck tech. This is a plow truck first of all. Of course the customer had several problems. Faulty speedometer, faulty fuel gauge and low voltage reading. Sent instrument cluster out for repair and replaced battery isolator. Speedometer...
2005 Chevrolet Trailblazer LS 4.2L corner brake lights VIN: 1GNDT13S95
have a friends car that the coener brake lights are inop , the high mount brake light works. have power through both stop lamp fuses when brakes applied , have power (12.4 volts)at the rear lighting connectors on the lt blue wires for the brake lights and the ...
2007 Chevrolet Silverado 1500 Classic LS 4.3L No Start VIN: 1GCEK14X07
Truck will start and die at times, don't know history off truck, will set b2958 code. Passlock light doesn't flash. When light comes on and stays on runs fine, and at other times starts like it should and light goes out. Both keys are not original but look lik... Trouble codes: B2958

Fixes & Summaries for GM
Fix/Summary Answers
1998 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52K4W
My apologies for not closing this sooner. We did fix the vehicle. All replies are appreciated; in this [...] most had already been addressed. The biggest help was a link provided for "Diagnostics For Dummies", which was very helpful, in that it went step-by-ste...
2000 Cadillac DeVille 4.6L coolant VIN: 1G6KD54YXY
Sorry for the late closing customer decided not to fix this vehicle as many suggested I believe it is a head gasket issue. The cooling fans are working as they are supposed to. Water pump belt is good and self tensioner is good. Water pump is good we remove...
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