P0334

Knock/Combustion Vibration Sensor B Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Check Engine light comes on

Causes

Damage to knock sensor B wiring harness
Poor contact in the sensor connector
Knock Sensor B Malfunction
Sensor circuit grounding problems
Engine ECU malfunction

How to Fix

Check the integrity of the knock sensor B wiring harness
Clean and check the contacts in the sensor connector
Replace knock sensor B if necessary
Check sensor circuit grounding
Test the engine ECU

Related codes

P0325 P0326 P0327 P0328 P0330 P0331 P0332 P0333