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Professional Automotive Repair Technical Discussions for April 26, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Chevrolet Silverado 1500 5.3L Mil VIN: 2GCEK19TX2 Truck has brake MIL flashing, and door chime going off constantly as long as the truck is moving. I had already scheduled lower ball joints and other repairs, and before it got to the shop, the MIL/chime went off. Retrieved codes CO221, CO223, and CO281: right... |
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| 1993 Pontiac Grand Prix LE 3.1L Surge, Stall VIN: 1G2WH54T1P OK, Here we go, long time customer brought in his low mileage Grand Prix for surging problem, stated will also buck once in awhile at freeway speeds. test drove vehicle with no customer stated symptoms, went through all the normal checks, smoke test, IAC, TPS,... |
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| 2007 Saturn Aura XE 3.5L No Start VIN: 1G8ZS57NX7 Hello all, this Saturn came in as a crank no start. Customer said she was washing car and when she went to move it just would crank over. We push car in, check for codes, only find cam code p0340. I check spark and I have none. I cleared the code and as soon a... Trouble codes: P0340 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Chevrolet C2500 Suburban 7.4L Misfire, MIL Lamp on VIN: 1GNGK26J7X When the O2 sensor went full lean, I expected the computer to lengthen the ms time on the injectors on bank 1. The ms injection time was the same on both banks - even with long term and short term totaling 75! But per the advice of one of my responders, an O2 ... Trouble codes: P1133 (O2 lean). |
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| 2007 Chevrolet Impala LT 3.5L oil light comes on VIN: 2G1WT58N57 The car did have the wrong oil pressure sensor in it, called reputable GM dealer and got correct part thanks for your help. john |
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| 2008 Saturn Outlook XR 3.6L transmission VIN: 5GZEV33718 We pulled the side cover off the vehicle and inspected the TECHM (Transmission Electronic Hydraulic Control Module). It looked good and while we were in there we air checked the unit. Noticed that if we turned the air down and air checked the 1234 piston, it ... |
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