Operation CHARM: Car repair manuals for everyone.

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 .036 in. (.90 mm).
^ If plugs are satisfactory, reinstall and check for fuel or mechanical problems.
^ If plugs are not satisfactory, clean or replace as necessary.