What does OBD2 code P0333 mean?+
P0333 stands for Knock Sensor 2 Circuit High Input Bank 2. The Bank 2 knock sensor is reading a higher signal than expected.
What causes code P0333?+
Faulty knock sensor; Wiring short circuit; Engine mechanical noise (rod knock, etc.)
How do I fix code P0333?+
Inspect wiring for shorts; Test sensor output; Rule out mechanical engine noise; Replace sensor if faulty
How much does it cost to fix P0333?+
Estimated repair cost for P0333 is $120-$300.
Is P0333 DIY-friendly?+
Yes — P0333 is generally DIY-friendly with basic tools.