P0303 — Cylinder 3 Misfire Detected
Reviewed1 source
1 source
- Official data (NHTSA)official_feed
What P0303 means
Avoid long trips
The ECU detects misfires specifically in cylinder 3.
Driveability assessment not yet available. Get a personalized AI Second Opinion for your exact car.
General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Cylinder 3 spark plug or coil
Symptoms
- Повышенный расход топлива
- Engine misfiring
Cost data coming soonUpload your estimate to check if the price is fair