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Professional Automotive Repair Technical Discussions for April 7, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Cadillac DeVille DHS 4.6L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G6KE57Y54 First I would like to thank you for your time... original customer complaint was that the engine would just die with no warning while driving. had another so called mechanic work on it and actually made it worse. found one bad coil and another unplugged causi... Trouble codes: P0102 (Mass Air Flow MAF Sensor Circuit Low Frequency), P0107 (Manifold Absolute Pressure/Barometric Pressure Circuit Low Input), P0121 (Throttle Position Sensor 1 Performance), P1107 (MAP Sensor Circuit Intermittent Low Voltage) |
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| 1995 Chevrolet C2500 Suburban 7.4L Excessive Emissions VIN: 1GNGK26N3S fuel trim @129 long. shot@128 fuel pressure 35psi. no exhaust leaks found. timing in spec |
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| 2005 Chevrolet Colorado Z85 LS 3.5L Mechanical VIN: 1GCDS13605 Hi fellow techs. We are in the processing of removing the cylinder head 3.5l for a valve job the first time, We got the timing chain retention tool. The problem is that Mitchell on Demand does not show a clear picture or a way it's suppose to attach to the eng... |
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| 2007 Chevrolet Silverado 1500 WT 5.3L 3023-atc T-Case VIN: 2GCEK13M77 Vehicle came in with concern of noise and binding when turning to left at 20 to 30mph in 2wd. Test drove truck and verified, felt like r/f wheel was trying to go into 4wd(on dry pavement) and you could feel the vehicle actually binding. Tried 4wd on dirt drive... |
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| 1997 GMC C1500 Sierra SL 5.7L Hesitation, Stall VIN: 1GTEC19R9V Customer brought this truck in with a stall/hesitation when taking off from a stop.Problem started all at once ,there were no previous concerns. We did a complete tune-up since it had the oe wires, still had the stall.Checked cam retard [-6*], reset dist. and ... |
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| 2003 GMC Sierra 2500 SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHK23U63 hello to all, i have cylinders 1,3 and 8 are missfiring. i have swapped fuel injectors and misfire did not move. when injectors where out inspected top of injectors and found no debri. blew out rail and nothing but fuel came out. swapped ignition coils. 1 and ... Trouble codes: P0300 |
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| 2009 Pontiac G3 1.6L No Start VIN: KL2TD66E89 Question for you GoodWrench dealer guys or anybody who has Tech 2 with Tis to Web subscription. Got this 09 Pontiac G3 that needs a new PCM. It is a Daewoo vehicle. Is programming the Daewoo vehicles just a normal GM programming procedure or is it different li... |
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| 2009 Pontiac G3 1.6L No Start VIN: KL2TD66E89 Question for you GoodWrench dealer guys or anybody who has Tech 2 with Tis to Web subscription. Got this 09 Pontiac G3 that needs a new PCM. It is a Daewoo vehicle. Is programming the Daewoo vehicles just a normal GM programming procedure or is it different li... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Chevrolet Camaro 3.8L Cuts out, MIL Lamp on VIN: 2G1FP22K12 THANK YOU AL [...] FOR YOUR INPUT. CUSTOMER TOOK CAR & WAS NOT HAPPY BUT UNDERSTOOD.MAY OR MAY NOT SEE IT AGAIN.THE CAR HAD AN AFTER MARKET CAT ON IT,JUST BOUGHT A COUPLE OF YEARS AGO.I TOLD THEM IT WAS NOT CALIFORNIA LEGAL.THANKS AGAIN. Trouble codes: P0420. |
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| 2003 GMC C5500 Topkick C5C042 8.1L propane tank VIN: 1GDG5E1E03 replaced crossover valve near front of vehicle. apearantly valve was stuck open allowing propane to bleed back into reserve tank. |
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| 2007 GMC Sierra 2500 HD Classic SLT 6.6L communications VIN: 1GTHK23D27 Replacing the transfercase control module fixed this truck, had an internal problem interfereing with the data line, installed module and had dealer program it and all is well now, |
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