P0303 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
MAZDA
Reported code forms P0303:00
Some customers may complain about a poor acceleration and rough idling or the CHECK ENGINE light ON with DTC P0301:00, P0302:00, P0303:00, P0304:00.NOTE: Only turbo engines are applicable; non-turbo engines are NOT…
Read communication ↗
MAZDA
Reported code forms P0303
When the engine is started for the first time after parking the vehicle overnight in cold conditions (below 32 degrees Fahrenheit / 0 degrees Celsius), some vehicles may exhibit a rough idle and/or the check engine…
Read communication ↗
MAZDA
Reported code forms P0303
When the engine is started for the first time after parking the vehicle overnight in cold conditions (below 32 degrees Fahrenheit / 0 degrees Celsius), some vehicles may exhibit a rough idle and/or the check engine…
Read communication ↗
MAZDA
Reported code forms P0303
Some vehicles may experience an engine that runs rough and the check engine light on with DTCs P0201 and P0204 or P0202 and P0203. NOTE: Engine misfire related DTCs (P0301, P0302, P0303, P0304) are usually stored at the…
Read communication ↗
MAZDA
Reported code forms P0303
When the engine is started for the first time after parking the vehicle overnight in cold conditions (below 32 degrees Fahrenheit / 0 degrees Celsius), some vehicles may exhibit a rough idle and/or the check engine…
Read communication ↗
MAZDA
Reported code forms P0303
When the engine is started for the first time after parking the vehicle overnight in cold conditions (below 32 degrees Fahrenheit/0 degrees Celsious). Some vehicles may exhibit a rough idle and/or the check engine light…
Read communication ↗
MAZDA
Reported code forms P0303
SOME VEHICLES MAY EXPERIENCE AN ENGINE THAT RUNS ROUGH AND THE CHECK ENGINE LIGHT ON WITH DTCS P0201 AND P0204 OR P0202 AND P0203.NOTE:ENGINE MISFIRE RELATED DTCS (P0301, P0302, P0303, P0304) ARE USUALLY STORED AT THE…
Read communication ↗
MAZDA
Reported code forms P0303:00
SOME VEHICLES MAY EXPERIENCE A LACK OF ENGINE POWER/ROUGH IDLING AND THE CHECK ENGINE LIGHT ON WITH ONE OR MORE OF THE MISFIRE RELATED DTCS OF P0300:00, P0301:00, P0302:00, P0303:00 AND P0304:00. THIS CONCERN MAY BE…
Read communication ↗
MAZDA
Reported code forms P0303
WHEN THE ENGINE IS STARTED FOR THE FIRST TIME AFTER PARKING THE VEHICLE OVERNIGHT IN COLD CONDITIONS (BELOW 32 DEGREES FAHRENHEIT / 0 DEGREES CELSIUS), SOME VEHICLES MAY EXHIBIT A ROUGH IDLE AND/OR THE CHECK ENGINE…
Read communication ↗
MAZDA
Reported code forms P0303:00
SOME VEHICLES MAY EXPERIENCE A LACK OF ENGINE POWER/ROUGH IDLING AND THE CHECK ENGINE LIGHT ON WITH ONE OR MORE OF THE MISFIRE RELATED DTCS OF P0300:00, P0301:00, P0302:00, P0303:00 AND P0304:00. THIS CONCERN MAY BE…
Read communication ↗