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Prev Professional Automotive Repair Technical Discussions for February 20, 2011
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Trailblazer LT 4.2L Transfer case VIN: 1GNET16SG3
1/28/11 came in for four wheel drive not working. We replaced damaged gears,sleeve,thrust washer,bearing in the right housing.After test driving, the encoder motor brake would not hold. It was replaced with a dealer part.It left with the four wheel drive worki...
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2005 Saturn Ion-1 2.2L security VIN: 1G8AL52F84
Please help,never saw this before vehicle came in for an inter. No start found tsb for ignition switch replaced with dealer part.problem still occured so we replaced with a new bcm no it wont relearn security.when you try to start it cranks for 2 seconds on th...
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Park Avenue 3.8L No Start VIN: 1G4CW52K9S
Sorry for taking so long closing this. This was a real test. I think I threw every part at this thing except maybe injectors. Out of 28 techs that responded 8 nailed it. It ended up being the harness that runs behind the ballancer had worn through and was a sh... Trouble codes: P0703 (Brake switch circuit), P0501 (Speed sensor circuit), P0755 (Shift solenoid B fault), P1361 (Ignition Control Signal not toggling), P1619 (Engine oil life reset switch circuit), P0705 (Trans. range switch circuit).
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1981 Chevrolet Camaro Z28 5.7L headers glow VIN: 1G1AP87LOB
Hey group, sorry for the long wait on a fix. My car is running very rich at idle causing the glowing headers. If it wasn't dark outside I would of never notice, except for the smell from the exhaust. Also the idle speed gets a little too high when engine is ho...
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2003 Chevrolet Suburban 1500 LT 5.3L Cuts out VIN: 3GNFK16Z14
Dropped fuel tank and found wiring harness partially chafed
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2003 Chevrolet Silverado 1500 4.8L MIL Lamp on, Reduced power VIN: 1GCEC19VX3
This one is fixed.Thanks to all that replied.I cleaned all grounds and replaced connector at throttle body. But what actually fixed it was a new thottle body.Using my scanner and looking at tps% and app2 koeo while slowly depressing the accelerator i noticed t... Trouble codes: P1515.
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1998 Pontiac Grand Prix SE 3.1L MIL Lamp on VIN: 1G2WJ52M4W
Hey guys thanks for all your replies, this has been a real bugger that I could not get rid of. What fixed it was the EGR valve. On my scan tool I noticed it was showing 13-15% at idle when the computer wanted to see 0%(desired). As soon as I got off idle the ... Trouble codes: P0405 (EGR sensor cicuit low volage).
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