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Professional Automotive Repair Technical Discussions for February 10, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 AM General Hummer 5.7L tire air light on VIN: 137DA8434S This vehicle came in for a safety inspection from a used car lot and they want the CTIS working properly. The tire air light is on and is beeping. Both needles are reading 0 on the gauge in the dash no matter where I turn the tire selection switch . I did not... |
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| 1999 Chevrolet C3500 6.5L Ebcm 12476000 VIN: 1GBJC34F6X Code co237- done the flow chart an the ebcm is bad dealer says discontinued with no revised unit to replace with. The ebcm [...] i also noticed that... |
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| 2004 Chevrolet Silverado 1500 LS 5.3L internal transfer case VIN: 2GCEK13T64 Looking for a little help on this Silverado. Vehicle came in with complaint of grinding noise when in 4 x 4. Test drive indicated front differential noise when in 4 x 4 but also noticed vibration through driveline in 2 wheel drive ( customer did not complain o... |
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| 2007 Chevrolet HHR LS 2.2L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3GNDA13D27 Thanks for the help in advance,This vehicle came to us from another shop,that had it for 5 months. the other shop was a friend of her(the wife) family and said he could fix it. the engine had a bad rod knocking, and they told them it was because the tachometer... Trouble codes: P0315, P0336 |
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| 2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Hesitation, Cel VIN: 1GCHK23D57 Hello All, Recently replaced a Turbo on a 6.6L for P2563, P003A (turbo vane position). After replacement we have an intermittent P0299 (underboost) code. It appears to be on initial drive, engine not to full temp, will act like a bit of a dog on first pedal ... Trouble codes: P0299 (Turbo Underboost) |
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| 2008 Chevrolet Impala LT 3.5L Runs poorly VIN: 2G1WT58NX8 The car runs fine sometimes other times it barely starts and then runs like crap, sometimes it wont start at all. It has a code p0335 for crankshaft sensor circuit. I had the tech check the harness for any problems. None were found. Also replaced the crankshaf... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Chevrolet Impala 3.4L No Start VIN: 2G1WF52E92 sorry took so long to post basically the 7x crank sensor is the one responible to give signal to module to have spark during cranking the cam sensor does the fuel timing and the 24x sensor is ignition timing the 7x sensor fixed the car thank you for all the he... |
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| 2007 Chevrolet Impala LT 3.5L pressure control solenoid VIN: 2G1WT58K27 GOT A USED MODULE FROM JUNK YARD AND HAD THE LOCAL DEALERSHIP PROGRAM IT FOR ME. ALL IS WELL NOW. THANKS FOR THE INPUTS. |
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| 1995 GMC K1500 Sierra SL 5.7L No Communication VIN: 2GTEK19K6S Doug hit it. Thanks. It was the ground. I had checked all grounds. I cut back insulation and corrosion was terrible. cut out ground and ran new wire. Thanks to all who replied. |
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| 2003 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J33 Ordered a remanufactured PCM from Auto Zone. It came flashed with the vin. and mileage in it that I told them when I ordered it. Car cranked and worked perfect. Everybody said it would need to be flashed. The PCM I replaced would power up prime the fuel pump t... |
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| 2008 Pontiac Grand Prix 3.8L Cuts out, Stall VIN: 2G2WP55258 Fixed!! Most members said to remove the remote start, I failed to mention it was oe remote start, my bad. Trust me I have s**t canned my fair share of aftermarket remote starts. I removed the pdc and checked all the connectors, everything looked good. I th... Trouble codes: U1000. |
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