Operation CHARM: Car repair manuals for everyone.

Test 9 - 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 .036 in. (.90 mm).
2. If plugs are satisfactory, reinstall and proceed to TEST 10.
3. If plugs are not satisfactory, clean or replace as necessary.