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Professional Automotive Repair Technical Discussions for September 15, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 2007 Cadillac Escalade ESV 6.2L "Thump" under acceleraction VIN: 1GYFK66887 This truck belong to a friend/Shop owner. He's complaining about a "thump" noise under hard/medium acceleration. Can't duplicate on lift, on when the wheels are on the ground. He lubed the drive shaft splines. Took truck to his transmission shop, where they op... |
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| 2007 Chevrolet Colorado LT 3.7L Ignition VIN: 1GCDS13E27 after repair issue seemed to be fine, ran vehicle for about 30 mins. and shut off to let cool soak since that was the original issue. I started it back up after about an hour and started to run fine then started to have a miss fire, found a few random rolling ... |
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| 2007 GMC Sierra 2500 HD Classic SLT 6.6L Excessive Emissions VIN: 1GTHK23D27 Hey everyone, this might sound like a rant... but here we go: This truck is giving me a run for my money... It smokes excessively from the tailpipe, with no change no matter what I do. It is grey smoke, raw fuel. My first look at the truck I check fuel trims... |
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| 2008 GMC Envoy SLT 4.2L MIL Lamp on VIN: 1GKDS13S38 problem child here. came in from another shop where it supposedly had the ftp sensor changed. droped the tank to gain access to ftp sensor and found what looked to be oe gm sensor. tested all circuits via circuit / system testing found on prodemand and identif... Trouble codes: P0454 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Pontiac G6 GTP 3.9L Hesitation, Stall, MIL Lamp on VIN: 1G2ZM55176 The fix for this vehicle wound up being the MAP sensor. My mistake was assuming that by replacing the old MAP sensor with a new MAP sensor originally and still having the same symptom that the MAP sensor was not the issue. It turns out the new MAP sensor I ins... Trouble codes: P0106 (MAP sensor performance), P0108 (MAP sensor circuit high voltage), C0550 (ECU performance), C0561 (System disabled - invalid serial data received). |
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