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Prev Professional Automotive Repair Technical Discussions for September 11, 2013
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Trailblazer North Face 4.2L Left Blend door VIN: 1GNET16S83
I now get look at this problem. Scan for codes no codes in system. verify issue only heat on divers side. Watch data on tech 2 can watch right side commanded and actual are close to each other. When you sweep right side though it air flows leaves vent and it s...
2005 Chevrolet Silverado 1500 5.3L Hesitation VIN: 2GCEK19B85
Vehicle has a severe hesitation if you floor the accelerator from a dead stop. If you leave your foot on the floor it will slowly accelerate. When you accelerate "normal" it fells fine. If you floor it while driving it does not hesitate. Both tps's and app's a... Trouble codes: P0332
2003 GMC Sierra 1500 SLE 5.3L overheating VIN: 1GTEK19T33
truck over heats when turn on a/c and takes about 25 minutes to start over heating turn off a/c and backs to normal any help please
2004 GMC Sierra 1500 SLE 5.3L low pedal VIN: 1GTEK19T14
got overrun with 3 gm trucks with rusted and leaking brake lines.it sucks to change all the steel lines but my trouble is getting a good pedal.we pressure and vacumnn bleed.i donot have a tech 2 scanner.i have read about depressing valves or whatever in abs pu...
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NF12F62
Hello All,I have a problem child here that is giving a lot a grief.Car came with no start condition ,the battery was dead,put new one still wont start,did a test on the starter wont crank even I put direct power to the starter,put new one in,Now it will crank ...
2007 Pontiac Grand Prix GT 3.8L sunroof VIN: 2G2WR55407
hello again guys...I have 2007 Pontica Grand Prix. The sunroof was closed, bat from what i was told, customers son opened it while driving it around. Now, it wont close. I can manually close the sunroof by applying ground to the sunroof motor connector ORANGE ...
2007 Saturn Ion-2 2.2L Misfire, MIL Lamp on VIN: 1G8AJ55F97
Hello everyone. This is my wife's Saturn and the service engine light randomly comes off and on till yesterday when code p2127 showed up. I am at a loss here so I had her take it to the local Chevrolet dealer and had them look at it. I was assuming it was all ... Trouble codes: P0411, P0300, P2127, P2440

Fixes & Summaries for GM
Fix/Summary Answers
2004 Buick LeSabre Custom 3.8L Starter VIN: 1G4HP54K74
Many thanks to all of you for jumping in to help out. I have solved this mystery and must admit to having a little egg on my face. After stating that there was no aftermarket anti-theft, I discovered I was wrong. There was a relay powered kill switch buried up...
1990 Chevrolet V1500 Suburban Scottsdale 5.7L Poor Idle Quality, Stall
What a learning experience for these old brain cells. After a week of working on this around other jobs I finally got it. Dan from Texas was spot on, The pick-up coil A/C voltage was only .3 volts and it needed .7 min. to do the job. I replaced the pick up coi...
1995 Chevrolet Corvette 5.7L oil leak VIN: 1G1YY22P1S
Thanks all, the trouble was installing the water pump drive seal without a seal protector, the seal turned inside out but...I did not want to spend $$$ for something I will most likely never use again. So... we found that if you take the water pump drive coupl...
2007 Chevrolet HHR LT 2.4L Ecm VIN: 3GNDA33P27
2002 GMC Envoy SLE 4.2L ckp sensor VIN: 1GKDT13S02
Sorry to be so late in posting my plate got very full with other diagnostic issues, but the 02 Envoy thinks it is out of time. I am trying to upload some scope traces but my verus saves in a vss or vsm format only as soon as I can convert I will post it. I con...
2003 GMC Yukon XL 1500 Denali 6.0L abs VIN: 1GKFK66U33
Thanks for the info guys, we put the lines on and all was well.This is the first one I have seen with this set up, moral of the story, mark your lines and pay attention.
2002 Hummer H1 6.5L Stall VIN: 137FA84362
if looks like a duck walks like one sounds like one it probably is one. DRove 200 miles and got it to act up. everytime i wiggle pmd it would die. replaced it and done. new parts don't ass ume
2006 Pontiac Torrent 3.4L tailights,instrment panel lights VIN: 2CKDL73F36
Iím really sorry for not closing this post on time,I was waiting fro the customer to bring the vehicle back and didnt realize that its overdue to close,Yes the vehicle is fixed by replacing a fuse .this fuse box is located on the right front of the console.My ...
2000 Saturn LS2 3.0L Poor Idle Quality VIN: 1G8JW52R1Y
BIGGGGG thank you to Frank who had a great test procedure to help us out. Should print that for next one. Ended up being the throttle body. Replaced and reset and all is well. Thanks again for ALL of your help and time you took to respond!!! Trouble codes: P1510.
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