Test 7 - Spark Plug Testing

Spark Plug Chart:

SPARK PLUG CHECK

1. Remove spark plugs, and inspect them for carbon deposits and damage. Ensure spark plug gap is .039 - .043 in. (1.0 - 1.10 mm).
2. If plugs are satisfactory, reinstall plugs and check systems other than ignition system.
3. If plugs are not satisfactory, clean or replace as necessary.