MAZDA
01-012-19-3612
Manufacturer communications
- Publication date
- 2019-07-02
- Received by NHTSA
- 2019-08-01
- NHTSA record numbers
- 10163362
Manufacturer summary
Original wording in English
Some vehicles may experience the Check Engine Light ON with DTC P0300:00, P0301:00, P0302:00, P0303:00 and/or P0304:00 stored in memory. P0300:00: Random misfire detected, P0301:00: Cylinder No.1 misfire detected, P0302:00: Cylinder No.2 misfire detected, P0303:00: Cylinder No.3 misfire detected, P0304:00: Cylinder No.4 misfire detected. Carbon may be deposited around the intake valves, resulting in unstable engine combustion and misfiring during the accelerated warm-up system (AWS) operation.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Mazda
P0300:00Random misfire detectedMazda
P0301:00Cylinder No.1 misfire detectedMazda
P0302:00Cylinder No.2 misfire detectedMazda
P0303:00Cylinder No.3 misfire detectedMazda
P0304:00Cylinder No.4 misfire detectedCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.