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Professional Automotive Repair Technical Discussions for May 3, 2022 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 Chevrolet Aveo LT 1.6L No Start VIN: KL1TG56697 Need help with this one. It has me stumped. It was brought to me by another shop that gave up on it. The car cranks but does not start. Every once in a while it will start for a second or two but then dies. It has an immobilizer code but what is throwing m... Trouble codes: U0167 (Lost com with emmobilizer), P0315 (Crank variation not learned) |
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| 2009 GMC T7500 T7F042 7.8L Power Take Off VIN: 1GDL7F1B39 The engaugement in the pto is being activated by the dash switch,but the pto doesn't seem to be turning (i.e. No change in sound or heat from pto or the hydraulic pump that is attached to it)and no fast idle. Information i have read seems to indicate that ... |
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| 2011 GMC Sierra 3500 HD SLE 6.6L MIL Lamp on VIN: 1GD523CL2B We are having problems with code P0191. Have followed SI from GM guidelines, looked for chaffed wires, rubbed through wires, fretting on connections, corrosion on connections, cleaned engine/frame grounds. Ran wiggle tests, load tested wiring with headlamp... Trouble codes: P0191 (Fuel Pressure Regulator control High short to ground1), P0191 (Fuel Pressure Regulator control High short to ground1) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2009 GMC T7500 T7F042 7.8L park/tail/dash lights VIN: 1GDL7F1B39 the fix was locating a broken wire in the rear harness half way between the cab and taillights,which was caused by a previous repair not being properly insulated. gotta love those |
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