Operation CHARM: Car repair manuals for everyone.

Spark Plug Wires Not Operating Properly

1. Inspect the spark plug gap. Adjust the gap as needed.
2. Inspect the spark plug wires for any obvious cuts, burns, or damage. Replace the wires as needed.
3. With the engine ON, inspect for any arcing to ground or other components. Replace the spark plug wires as needed.
4. Check the spark plug wires for proper resistance. Refer to Spark Plug Wire Resistance. Spark Plug Wire Resistance Check