Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold

Where it lives

For P2346, the description names the sensor as the part involved. The description of P2346 puts it on cylinder 11.

Check these first

• Low octane fuel causing detonation in cylinder 11
• Carbon deposits on the cylinder 11 piston
• A failed knock sensor reporting cylinder 11 knock
• An ignition timing fault on cylinder 11
• A worn cylinder 11 spark plug

What to do next

1. Read the knock sensor and cylinder 11 knock counts on a scan tool
2. Check for other ignition codes
3. Use the recommended octane fuel
4. Inspect the cylinder 11 spark plug and ignition coil
5. Test the knock sensor circuit if the knock is not audible
6. Clear the code and retest

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