P0303 Code Explained — Misfire Cylinder 3

The P0303 code is triggered when the Engine Control Module detects a misfire in Cylinder 3 A misfire occurs when the air-fuel mixture

A P0303 code is specific to cylinder 3 in your engine and signifies that the engine control module has detected a misfire This means that

p0303 A P0303 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly In this case it's cylinder #3

p0303 The P0303 diagnostic trouble code indicates that the powertrain control module has detected a misfire in cylinder 3 of the engine