P2339
Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold
P2339 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold. Common causes: low quality fuel, faulty spark plugs. Estimated repair cost: $6–33.
Symptoms
- Engine knocking or ringing
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
Causes
- Low quality fuel
- Faulty spark plugs
- Problems with the ignition system
- Incorrect ignition timing
- Engine overheating
How to Fix
- Check fuel quality and replace if necessary
- Check and replace spark plugs
- Check the ignition system for malfunctions
- Check the ignition timing and adjust if necessary
- Check the engine cooling system
Related codes
Error P2339 by Vehicle Brand
FAQ
What does the P2339 code mean?
P2339 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold
What causes a P2339 error code?
The most common causes of P2339 include: Low quality fuel; Faulty spark plugs; Problems with the ignition system; Incorrect ignition timing.
How do I fix a P2339 diagnostic trouble code?
To fix P2339: Check fuel quality and replace if necessary. Check and replace spark plugs. Check the ignition system for malfunctions. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2339?
Yes, but get it checked soon
How much does it cost to fix P2339?
The estimated repair cost for P2339 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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