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Prev Professional Automotive Repair Technical Discussions for September 29, 2021
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Open Help Requests for GM
Help Request Answers
2014 GMC Terrain SLT 2.4L Ecm VIN: 2GKALSEK0E
Engine was replaced. Technician drove vehicle twice. Owner drove vehicle twice. No engine does not crank or start. Have no communication with ecm. Have inspected all ground cables and wiring harnesses to ensure no pinched wires or loose grounds. Tested pow...

Fixes & Summaries for GM
Fix/Summary Answers
2015 Chevrolet Spark LS 1.2L Hesitation VIN: KL8CB6S98F
I replaced the bank 1 front oxygen sensor with OEM sensor from GM as was suggested could not believe the difference the OEM sensor was in closed loop in less than 30 seconds, the aftermarket took minutes. Thanks for the help!
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