Spark Plug: Service and Repair

REMOVAL

NOTE: Observe Service Precautions before beginning procedures.






1. Use the Spark Plug Wire Remover to pull the ignition wires off the spark plug.






2. Remove the LH spark plugs.






3. Remove the RH spark plugs.






4. Inspect the spark plug.

- Deposits bridging spark plug gap (A).

- Wet black deposits (oil fouling) (B).

- Dry black deposits (carbon fouling) (C).

- Pre-ignition damage (D).

- Deposits fused on spark plug (E).

- Overheating (F).

- Normal spark plug (G).






5. Adjust the spark plug gap.

INSTALLATION






1. Install the RH spark plugs.






2. Connect the RH spark plug wires.






3. Install the LH spark plugs.






4. Connect the LH spark plug wires.