This DTC code P0303 informs us that the vehicle´s computer ECM (Engine Control module) has detected that one of the engine´s cylinders is not firing properly. And the fault for this DTC code P0303 corresponds to cylinder number 3 of the engine.
POST UPDATED IN June, 2023
This DTC code P0303 informs us that the vehicle´s computer ECM (Engine Control module) has detected that one of the engine´s cylinders is not firing properly. And the fault for this DTC code P0303 corresponds to cylinder number 3 of the engine.
A P0303 code can have one or more of the following problems:
To fix the DTC code P0303 you can check the following components: