P1384
Knock Sensor 3 Circuit
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Reduced engine power
- Increased fuel consumption
- Detonation (knocking) in the engine
- Check Engine Light Is On
- The engine is unstable
Causes
- Knock sensor 3 malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Problems with the engine control unit
How to Fix
- Check the continuity of the knock sensor 3 circuit
- Inspect connectors and contacts for oxidation
- Check the resistance of the knock sensor
- Replace the faulty knock sensor if necessary
- Check and repair damaged wiring