Other information:
Materials
Name
Specification
Motorcraft® Ultra Silicone SealantTA-29
WSS-M4G323-A8
Removal
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
Remove the air cleaner assembly.
Refer to: Air Cleaner (303-12B Intake Air Distribution and Filtering - 2.0L..
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 ..