Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Spark Plug: Testing and Inspection

INSPECT SPARK PLUG







1. Remove the ignition coil connector(A).

NOTE: when removing the ignition coil connector, pull the lock pin(A) and push the clip(B).

2. Remove the ignition coil(B).

3. Using a spark plug socket, remove the spark plug.

CAUTION: Be careful that no contaminates enter through the spark plug holes.




4. Inspect the electrodes (A) and ceramic insulator (B).




5. Check the electrode gap (A).

Standard
Unleaded:1.0 - 1.1 mm (0.0394 - 0.0433 in.)