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Professional Automotive Repair Technical Discussions for August 3, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2010 Buick lacross 3.8L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1G4GC5EG0A Vehicle is a hard start , runs rough , *** tach readings are incorrect on the cluster. We scooped the crankshaft signals into the ignition module and at the computer - all have good patterns - the scanner shows erratic readings for the crank shaft sensor "b" -... Trouble codes: P0336 |
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| 1992 Chevrolet Corvette 5.7L No Start, Poor Idle Quality, Misfire VIN: 1G1YY33P0N hi every one I need help fast, customer needs this car by Friday. came in with customer complaint of running rough at idle and almost stalls, I cleaned a very dirty throttle body, compression test changed the plugs. every once in the while the car would not st... |
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| 2002 Chevrolet Trailblazer LS 4.2L No Start, Long crank VIN: 1GNDT13S42 Long crank time feels fuel related, sometimes slight backfire through throttle body. No codes, fuel pressure ok. |
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| 2007 Chevrolet Impala LTZ 3.9L front right wheel bearing VIN: 2G1WU58R37 When you turn steering wheel ever so slightly to right make sound just like bad wheel bearing , Replace both right bearings , right front rotor. Had transmisson guy drive also he said bearing . has been replaced .This only happens at 45 mph plus. Thanks in adv... |
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| 2008 Chevrolet Colorado WT 2.9L Stall, MIL Lamp on VIN: 1GCCS14988 Code will set after driving on highway(hot) and coming to a stop. will idle rough and stall if you dont 2 foot it.On scan tool cmp signal drops to zero unless engine speed is brought up over 1200-1300 rpm then will smooth out and run good. if it is shut off an... Trouble codes: P0017 (Cam crank correlation) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 GMC K1500 Suburban SLE 5.7L Hesitation, Cuts out VIN: 3GKFK16R2W Thank you all so much for the advice and feedback. Fuel pressure was fine. Checked grounds as well, cleaned and re-secured them but still the problem was there. The culprit/s it seems was a combination it between a relatively small manifold leak which would go... Trouble codes: 171 (bank lean), 174 (bank lean). |
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