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Prev Professional Automotive Repair Technical Discussions for December 21, 2020
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Open Help Requests for GM
Help Request Answers
2015 Chevrolet Equinox LT 2.4L Poor Idle Quality, Surge, MIL Lamp on, reduced power mode VIN: 2GNFLEEK4F
OK.. customer reports this only happens when the car is idling and she is on line at a store at fully warmed up temperature.I put my oil pressure gauge in place of the sensor...results are 72 psi cold @ idle...but fully warmed up it drops to 10 psi. and en... Trouble codes: P0016 (correlation intake position to crank not plausible), P0017 (correlation exhaust position not plausible to crankshaft), P0089 (hi pressure fuel pressure regulator performance), P228D

Fixes & Summaries for GM
Fix/Summary Answers
2001 Chevrolet Silverado 2500 HD 8.1L Speedometer odometer VIN: 1GCHK23G31
Well I tell you after chasing wires and harnesses finally found problem Wire underhood fuse panel mouse been busy. Miracle did not have any other concerns. Repaired wires and alls good. Well hidden little mouse nest. Thanks for all the responses.
2012 Chevrolet Express 2500 4.8L Theft system VIN: 1GCWGGBA3C
Thank you for all the help. I had the dealer cut two new keys. With those, they programmed with SPS perfectly. The theft module reads that they are now valid keys. It seems using the original keys was the problem. Strange thing now, is that with the TDM r...
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