DTC code

P0303: Cylinder 3 Misfire Detected

Vehicle-specific published guides for this diagnostic trouble code.

Cylinder 3 Misfire Detected

P0303 means the PCM has detected a possible misfire on cylinder 3.

Article vehicle: 2015-2025 Ford F150 2.7 EcoBoost

P0303 may indicate a cylinder-specific misfire event being detected by the powertrain controls.

Article vehicle: 2015-2025 Ford F150 2.7 EcoBoost

P0303 means the PCM may be detecting a misfire pattern associated with cylinder 3.

Article vehicle: 2019-2024 Ram 1500Classic 3.6PentastarGas

P0303 means the PCM may be detecting a misfire contribution problem on cylinder 3.

Article vehicle: 2019-2024 Ram 1500Classic 5.7HEMIGas

P0303 means the PCM may be seeing a misfire pattern from cylinder 3 based on crankshaft speed variation.

Article vehicle: 2019-2024 Ram 1500DT 5.7HEMIGas