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Posts Tagged: P0300 mazda

P0300 Mazda 3

Diagnose and fix P0300 Mazda 3 Mazda has issued a service bulletin 01-020/15 to address a check engine light with possible P0300, P0301, P0302, P0304 or P0304 trouble codes on the vehicles listed below. Mazda has determined that carbon may be deposited around the intake valves, resulting in unstable engine combustion and misfiring during the accelerated warm-up system (AWS) operation. The service bulletin details an intake valve cleaning procedure to fix the problem P0300:00: Random misfire detected P0301:00: Cylinder No.1 misfire detected P0302:00: Cylinder No.2 misfire detected P0303:00: Cylinder No.3 … Read More


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