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Prev Professional Automotive Repair Technical Discussions for September 4, 2017
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2011 Buick Regal CXL 2.4L Misfire VIN: W04GT5GC5B
Hi all I have this vehicle that has a multiple misfire. Customer states that previous shop changed the fuel pump, injectors and map sensor. He said all parts were OEM. Any ideas? Trouble codes: P0300 (Multiple Misfire)
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