P0333
Knock/Combustion Vibration Sensor B Circuit High
P0333 is an OBD-II diagnostic trouble code meaning: Knock/Combustion Vibration Sensor B Circuit High. Common causes: faulty knock sensor b, open or short circuit in wiring harness. Estimated repair cost: $22–56.
Symptoms
- Loss of engine power
- Increased fuel consumption
- Engine knock
- Dips during acceleration
Causes
- Faulty knock sensor B
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Interference from other electronic devices
How to Fix
- Check the integrity of the wiring harness and sensor connectors
- Check resistance of knock sensor B
- Replace knock sensor B if necessary
- Check and clean connector contacts
Related codes
Error P0333 by Vehicle Brand
FAQ
What does the P0333 code mean?
P0333 is an OBD-II diagnostic trouble code that indicates: Knock/Combustion Vibration Sensor B Circuit High
What causes a P0333 error code?
The most common causes of P0333 include: Faulty knock sensor B; Open or short circuit in wiring harness; Poor contact in the sensor connector; Interference from other electronic devices.
How do I fix a P0333 diagnostic trouble code?
To fix P0333: Check the integrity of the wiring harness and sensor connectors. Check resistance of knock sensor B. Replace knock sensor B if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0333?
Limited driving only, diagnose soon
How much does it cost to fix P0333?
The estimated repair cost for P0333 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat