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Prev Professional Automotive Repair Technical Discussions for December 4, 2013
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Silverado 2500 6.0L fuel spark VIN: 1GCHK29U83
thanks for any help i may recieve.tried to start truck after replacing heater core.engine starts and shuts off. i think the theft system maybe causing this.customer said that the lights on the dash won't light up to see gear selection.is the anti theft built i...
2008 Chevrolet Express 3500 6.0L brake module VIN: 1GBJG31K48
Thanks for being there. Truck is showing abs light as well brake light. Scan shows no communication with brake module. I checked for grounds and power at module and it looks good. I am now confused what is a sure way to know if the problem is the brake module ...
2006 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on VIN: 1GTHK23D56
looking to see if there is a calibration for this that I can perform or what would I need tool wise, to do so. Trouble codes: P0268
1990 Oldsmobile Delta 88 Royale Brougham 3.8L Stall VIN: 1G3HY54C8L
Ok here it goes. 90 olds 88 3.8l camen no start cranks ok. Checked basics fuel pressure ok,ignition none,injector pulse none,no tach signal. Ok so thinking another crank position sensor.replaced vehicle started! sweet bingo ha then it died no bingo:( came up w...
2002 Pontiac Montana 3.4L Cuts out, Misfire VIN: 1GMDU03E52
came in after tranny shop sent it here. they say there is nothing wrong there. When warm to hot if you put your foot into the pedal at about 3k rpm it will start to miss on all cyls and will not accel anymore, if you ease into it, it is resonable. doesn't matt...
2000 Saturn SL2 1.9L Reverse VIN: 1G8ZK527XY
I have a 2000 Saturn SL2 with a TAAT transmission, (spin-on filter on the side). About a year ago it was hesitating going into reverse and soon it had a harsh shift. It broke two mounts, and set a code P0732 - incorrect gear 2 ratio. I pulled the side cover an...

Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet Blazer 4.3L 3rd Gear VIN: 1GNDT13W8W
I am calling this one fixed, after beating my head against the wall about various issues, I kept coming back to the one area that had everything in common, the ECM. After confirming that the other shop did put the right computer in, since I had no reference n...
2002 Chevrolet Astro LS 4.3L MIL Lamp on VIN: 1GNDM19X22
Thanks for all the replies, I'd like to add that this is a new goodwrench engine with a new timing case cover. All pids are in the normal range, at idle, accel, and cruise. the customer needed the vehicle for work so its not in my shop at the moment. When it r... Trouble codes: P0300 (Multi misfire).
2005 Chevrolet Impala 3.4L compressor Noise VIN: 2G1WF52E45
As suggested by a few maybe a bad compressor or debris in the lines. When the original compressor was replaced we flushed and cleaned out the lines of any possible debris. Might need it again, might be a bad compressor. Customer has declined any further diag i...
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