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Prev Professional Automotive Repair Technical Discussions for July 29, 2019
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2012 Chevrolet Cruze LS 1.8L MIL Lamp on, reduced engine power VIN: 1G1PC5SH6C
test drove vehicle approx. 15 miles after parts replacement.check engine light and reduced power message returned. same codes returned after 15 miles. disconnected connector 1 at ecm tested voltage at connector end. had approx. 4-5 volts with fluke 88 .cut... Trouble codes: P0627, P0629
2012 Chevrolet Cruze Eco 1.4L Misfire, MIL Lamp on VIN: 1G1PK5SC8C
Engine is misfiring on cylinder #1 and melting/ smoking the #1 coil. Replaced coil multiple times and ecm. Tested #1 coil wire from ECM to coil and opened up harness to inspect. All ok. If i swap #1 and #4 coil wires from ecm it will smoke/melt #4. 12v pow... Trouble codes: P0351, P0301

Fixes & Summaries for GM
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