P0333

Knock/Combustion Vibration Sensor B Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–56 (est.)

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

P0325 P0326 P0330 P0331 P0332