Can a Bad Knock Sensor Cause a Misfire

Does a Faulty Knock Sensor Affect Engine Performance? ✅ Yes, a bad knock sensor can cause a misfire, but it’s not the most common reason for misfires. The knock sensor detects engine knocking (pre-detonation) and sends signals to the engine control module (ECM) to adjust timing. If the sensor fails, the ECM may retard ignition…