P1333
Knock Sensor 4 High Input
P1333 is an OBD-II diagnostic trouble code meaning: Knock Sensor 4 High Input. Common causes: cylinder 4 knock sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Detonation knocks in the engine
- Check Engine Light Is On
- The engine goes into emergency mode
Causes
- Cylinder 4 knock sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Mechanical problems in the engine (detonation)
- ECU malfunction
How to Fix
- Check the continuity of the knock sensor circuit
- Check the sensor connector and contacts
- Replace cylinder 4 knock sensor
- Check the engine for detonation
- Check and, if necessary, replace the computer
Related codes
Error P1333 by Vehicle Brand
FAQ
What does the P1333 code mean?
P1333 is an OBD-II diagnostic trouble code that indicates: Knock Sensor 4 High Input
What causes a P1333 error code?
The most common causes of P1333 include: Cylinder 4 knock sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical problems in the engine (detonation).
How do I fix a P1333 diagnostic trouble code?
To fix P1333: Check the continuity of the knock sensor circuit. Check the sensor connector and contacts. Replace cylinder 4 knock sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1333?
Limited driving only, diagnose soon
How much does it cost to fix P1333?
The estimated repair cost for P1333 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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