Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold

Where it lives

For P2345, start at the sensor the description names. The description of P2345 puts it on cylinder 10.

Check these first

• Low octane fuel causing knock in cylinder 10
• Carbon buildup raising cylinder 10 compression
• A knock sensor misreading vibration for cylinder 10
• Incorrect ignition timing for cylinder 10
• A worn cylinder 10 spark plug or coil

What to do next

1. Read the knock sensor and cylinder 10 knock counts on a scan tool
2. Check the freeze frame for when the code set
3. Fill with the octane fuel the maker recommends
4. Inspect the cylinder 10 spark plug and ignition coil
5. Test the knock sensor and wiring if no knock is present
6. Clear the code and retest

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