P1322
Knock Sensor 3 Signal Too High
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Reduced engine power
- Increased fuel consumption
- The engine is unstable
- Check Engine light comes on
- Possible detonation knocks
Causes
- Knock sensor 3 malfunction
- Damage to the wiring or sensor connector
- Sensor Grounding Problems
- Mechanical problems in the engine
- Engine control unit (ECU) malfunction
How to Fix
- Check the condition of knock sensor 3
- Inspect the sensor wiring and connectors
- Check sensor grounding
- Diagnose the engine for mechanical problems
- If necessary, replace knock sensor 3