Other information:
Inspection
NOTE:
Dropped spark plugs should always be discarded.
Unfired
An unfired spark plug should appear very clean
with a pure nickel finish to the threads and ground strap. The center
electrode ceramic insulator surface is often a matte or dull finish and
pure white in color. The external primary insulator is often a polished
white ceramic with appropriate stamping ..
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
If the BCM
did not respond to the diagnostic scan tool, As-Built Data may need to
be entered as part of the repair. This step is only necessary if the BCM is being replaced
Using a diagnostic scan tool, begin the PMI process for the BCM following the on-screen instructions.
NOTE: ..