P2345
Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold
P2345 is an OBD-II diagnostic trouble code meaning: Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold. Common causes: poor quality fuel (low octane number), knock sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Detonation knocks in the engine
- Check Engine light comes on
- Unstable engine idling
Causes
- Poor quality fuel (low octane number)
- Knock sensor malfunction
- Problems with the ignition system (plugs, coils)
- Carbon accumulation in the combustion chamber
- Mechanical engine problems (wear of bearings, pistons)
How to Fix
- Check fuel quality and replace if necessary
- Check the condition of the knock sensor and its connection
- Diagnose the ignition system (spark plugs, coils)
- Clean the combustion chamber from carbon deposits
- Carry out mechanical diagnostics of the engine
Related codes
Error P2345 by Vehicle Brand
FAQ
What does the P2345 code mean?
P2345 is an OBD-II diagnostic trouble code that indicates: Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold
What causes a P2345 error code?
The most common causes of P2345 include: Poor quality fuel (low octane number); Knock sensor malfunction; Problems with the ignition system (plugs, coils); Carbon accumulation in the combustion chamber.
How do I fix a P2345 diagnostic trouble code?
To fix P2345: Check fuel quality and replace if necessary. Check the condition of the knock sensor and its connection. Diagnose the ignition system (spark plugs, coils). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2345?
Limited driving only, diagnose soon
How much does it cost to fix P2345?
The estimated repair cost for P2345 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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