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Prev Professional Automotive Repair Technical Discussions for August 21, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2004 Cadillac DeVille DTS 4.6L Front Struts VIN: 1G6KF57944
I have installed passve struts at the request of the customer instead of the very expensive speed sensitive struts from cadilac, but the ip displays "speed limited to 90 mph". The customer would like no warning messages. Monroe has not been helpful in bypassin...
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1971 Chevrolet K30 Pickup 6.6L compressor VIN: KE241S6606
Customer recently had a performance shop replace the wiring harness with a Painless Harness. It's a neat job, looks good, but the problem is the AC compressor stays on with the key on. I accessed the 3 terminal relay under the dash, and the 2 terminal switch o...
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2006 Chevrolet Corvette 6.0L Battery VIN: 1G1YY36U96
battery goes dead after a week. when i pull BATT 5 fuse number 7, 30amp in under hood fuse box the draw goes down to 15 milliamps. that fuse powers up a bank of fuses in the BCM. Those fuses are tele sw/mem seat mod 10amp, driv dr sw fuse 10amp, ignition sw/in...
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2006 GMC Sierra 1500 WT 5.3L Rear Main Seal VIN: 2GTEK19B56
Ok here goes guys, i am losing my mind on this one...vehicle came in with leaks at rear main seal as well as cover and oil pressure switch, put in a bottle of dye to confirm locatoins...replced seal, gasket and switch with no leaks from switch but rear main is...
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2000 Oldsmobile Intrigue GLS 3.5L affected item unknown VIN: 1G3WX52H6Y
HELP!!! This vehicle is driving me crazy. This is the second time that this vehicle is in for the same noise. Customer complains that when they are backing up with the steering wheel turned to either side, but not to a full stop, there is a loud clunk or metal...
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2002 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J62
Towed in, cranking no start. No codes. Spark test / pass. Fuel pressure test / pass. Injector pulse test / fail. Have power supply to injectors with no drop during crank. Tech II data with key on shows 85% engine load (does not change with MAF unplugged), 7x s...
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Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet C2500 Suburban 7.4L Cuts out VIN: 3GNGC26J5X
OPENED HARNESS ON RIGHT SIDE OF ENGINE AND FOUND WIRES MELTED TO GETHER REPLACED WIRES VEHICLE IS NOW OK
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2007 Chevrolet Suburban 1500 Z71 5.3L MIL Lamp on VIN: 3GNFK16367
First of I want to thank you everybody that replied , most suggestion lead to the connector at the accelerator pedal; or the connector at the Throttle body. In this case the problem was on the wiring on the light blue signal wire from the pedal to the computer... Trouble codes: P2127, P2138.
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2004 GMC Envoy XUV SLT 4.2L Rear End Locks Up In Auto 4wd / 4wd Only VIN: 1GKET12S44
It seems that there was some front differential work done before, either before they owned it or during??? We blocked the left side wheels from turning, chalked the right side tires at the bottom, spun the drive shaft until right rear tire made two revs, right...
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2003 Oldsmobile Silhouette Premiere 3.4L No Start, MIL Lamp on VIN: 1GHDX03E73
James from Michigan was (Bang on) with a pinched bared wire found under the Power steering pump against a intake bolt ,Red with yellow tracer. Repaired and works 100%. Pro's working with Pro's Really works on IATN. Thanks Len Trouble codes: P0336.
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1999 Pontiac Grand Prix SE 3.8L Hesitation, Stall VIN: 1G2WJ52K3X
changed the upstream O2 sensor this morning, smoke test showed nothing leaking and also changed spark plugs. the O2 was switching and it looked good on the scanner until I graphed it out. it would lose pieces of the graph. Changed the plugs just because...I ha... Trouble codes: N0.
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2001 Saturn L300 3.0L Misfire VIN: 1G8JW52R61
Customer did not want to spend any more money on car. Shes going to try and get 6 months out of it and get rid of it. I did find that the fuel pump was not holding residual pressure after the key was turned off. Calculated load pid on scanner was low. I told h... Trouble codes: P0300, P0301, P0302, P0303, P0305, P0306.
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