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Professional Automotive Repair Technical Discussions for June 13, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Cadillac Escalade 5.3L Stability Activated VIN: 1GYEC63T23 This vehicle came originally for stability activation when turning. Pulled codes for Steering Angle Sensor & Left rear speed sensor. Replaced Angle Sensor & Left rear speed sensor, checked right rear speed sensor. Made sure to metal shaving in either rear sens... |
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| 2002 Chevrolet Trailblazer LS 4.2L Unknown VIN: 1GNDT13S72 This is the problem instment cluster goes down no comm with ECM or ebcm and trans mod all outher moduals commicating . So I pull slice pack 205 and started reading voltages . Everything except brake controll mod looks good I have a 4 volt live at the light blu... |
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| 1994 GMC Yukon 5.7L Surge, Misfire VIN: 1GKEK18K7R I have replaced ignition wires and fuel pump/filter.All other parts done by other shops.This is my truck just bought.Replaced fuel pump just because wires were laying on exhaust replaced wire for being burnt.Truck runs good and idles like they all do.The probl... |
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| 1999 GMC K3500 Sierra SL 7.4L Misfire VIN: 1GDJK34J5X Hi guys and gals. This one has been kicking my butt for 6 months or more. Customer didn't need it and I have been very busy so it sat out back of the shop waiting for it's turn. It is time and I am stumped. Truck came in for coolant over pressuring and misfire... Trouble codes: P0300 (Multiple misfire detected), P0306 (Misfire cylinder 6) |
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| 2011 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on VIN: 1GT220C86B Truck has codes P2202 and P2209. Should I just replace the #1 NOx a upstream sensor or are there other diagnostic checks to try? (My brother's truck) Trouble codes: P2202 (Nox sensor Bank 1 Ckt Low Input), P2209 (Nox sensor Bank 1 Heater Sense Ckt Rng/Perform) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Buick Roadmaster Estate Wagon Collector's Edition 5.7L Rear Brakes VIN: 1G4BR82PXT Thanks so much, to all 31 technicians that took their time to replay to my post. I'm 35 years plus years veteran mechanic. Sunday I spent few hours to figure out what the problem was with this WBR shoes. After cutting earlier the drums, i was able to see where... |
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| 2005 Buick Terraza CX 3.5L ebcm VIN: 5GADX23L15 so it turns out that it was the wire from sensor up replace and all is well now thanks all for the advice |
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| 2001 Chevrolet S10 4.3L Misfire Thanks for all the replies!!! I was going to go out to my friends shop & have another look tonight but he says it's fixed. I guess it was the #4 injector wire & the TOT sensor wire shorted together. I would have liked to see that for myself because the injecto... Trouble codes: P0304 (Misfire cyl 4). |
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| 1991 GMC Sonoma SLE 4.3L hvac system VIN: 1GTCS19Z4M Thanks to all that replied. All replies make perfect sense, except Dan from Texas. I assumed, and I was right all techs understood, except Dan from Texas, what my young tech was describing as "keeps popping" the fuse. My guy is still in learning mode, and his... |
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