P2342
Cylinder 7 Above Knock/Combustion Vibration Sensor Threshold
P2342 is an OBD-II diagnostic trouble code meaning: Cylinder 7 Above Knock/Combustion Vibration Sensor Threshold. Common causes: poor fuel quality (low octane number), cylinder 7 knock sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Knocking or ringing sound from the engine
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Check Engine Light Illuminates
Causes
- Poor fuel quality (low octane number)
- Cylinder 7 knock sensor malfunction
- Problems with the ignition system (plugs, coils)
- Incorrect ignition timing
- Carbon accumulation in the combustion chamber
How to Fix
- Check fuel quality and replace if necessary
- Diagnose and, if necessary, replace the knock sensor of cylinder 7
- Check the condition of the spark plugs and coils
- Adjust the ignition timing
- Clean the combustion chamber from carbon deposits
Related codes
Error P2342 by Vehicle Brand
FAQ
What does the P2342 code mean?
P2342 is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Above Knock/Combustion Vibration Sensor Threshold
What causes a P2342 error code?
The most common causes of P2342 include: Poor fuel quality (low octane number); Cylinder 7 knock sensor malfunction; Problems with the ignition system (plugs, coils); Incorrect ignition timing.
How do I fix a P2342 diagnostic trouble code?
To fix P2342: Check fuel quality and replace if necessary. Diagnose and, if necessary, replace the knock sensor of cylinder 7. Check the condition of the spark plugs and coils. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2342?
Limited driving only, diagnose soon
How much does it cost to fix P2342?
The estimated repair cost for P2342 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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