Operation CHARM: Car repair manuals for everyone.

Spark Plug: Testing and Inspection





Inspect Spark Plug
1. Using a spark plug socket, remove the spark plug.

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

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




Inspection Of Electrodes





3. Check the electrode gap (A).

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