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Professional Automotive Repair Technical Discussions for November 27, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2007 Pontiac G5 2.2L MIL Lamp on VIN: 1G2AJ55FX7 Customer swapped out BCM with used unit for a shift lock problem Did not fix his problem so original BCM was installed. MIL lamp is now on P0315 Crank Variation Not Learned and U0121 Lost Communication With EBCM. This vehicle has RPO J41 ===NO ABS/TCS on this ... Trouble codes: U0121, P0315 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1991 Chevrolet S10 4.3L No Start VIN: 1GCCT19Z6M Ok, thank you everyone with the advice. It was the distributor. It actually started up in the morning after sitting outside in the cold. so we brought it in and let it warm up. after warming up, we shut the vehicle off and tried restarting but nothing. So tha... |
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| 2001 Chevrolet Silverado 2500 HD 6.6L oil pressure After replacing oil cooler with both pressure relief valves In it I still had high oil pressure with 2 different manual guages. We told customer that he more than likely had an internal blockage of a pressure passage from debris or spun cam bearing. We then ad... |
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| 2007 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDT13S07 Everyone that said it was not the pcm was wrong , I ordered a new pcm from pcm of nc inc , with a stock tune and installed it , the old computer showed both 02 sensors going lean when the system ran but was throwing a p0411 , after new pcm the system runs and ... Trouble codes: P0411 (testing and results). |
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| 2008 Chevrolet Cobalt LT 2.2L Excessive Emissions, Poor Idle Quality, Stall VIN: 1G1AL58F88 Sorry for the delayed fix, but I wasn't 100% sure on this one. I put 12 gallons of premium (no ethanol) fuel in, and after this vehicle warmed up it ran ok, so I took it out for a 20 mile drive. It hasn't acted up since. I am thinking it possibly had E-85 i... |
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| 2008 Chevrolet Express 1500 4.3L no crank VIN: 1GCFG15X88 Thanks for everyones input. Ended up being I had to reprogram the VTD as a placed module and not a flash. Once I programmed the VTD everything was fine. Thanks for your help. |
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