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Professional Automotive Repair Technical Discussions for September 18, 2023 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 | |
| 2016 Cadillac CTS V 6.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6A15S6XG This car has a misfire, on all cylinders. At idle, it will randomly misfire here and there, but if you hold the rpms up to 2k, it shows a lot of misfires on all cylinders. When driving the car, it seems to be okay under light load, but once you get to crui... Trouble codes: P0300 (Random Misfire) |
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| 2018 Chevrolet Silverado 1500 LTZ 5.3L Miss on # 8 Cylinder VIN: 1GCVKSEC7J This truck has a miss at idle on number 8 cylinder. The mifire counts go way down at higher engine speed. As you can see in repair history this one has us stumped. There are no tapping noises. I would hope that would rule out lifters which these truck seem... |
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| 2008 GMC Sierra 1500 WT 5.3L MIL Lamp on, low power mode VIN: 2GTEK19J68 Look at freeze frame data,absolute throttle position %20,app d circuit 20%,e circuit 0 %,,cleared codes and retest several times,could not duplicate,customer drove vehicle 30 miles at freeway speeds,stopped at stop light and started to accel went into low ... Trouble codes: P2127 (App sensor 2circuit e low voltage) |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
