Ranger 2WD L4-153 2.5L SOHC VIN C SFI (1998)
plugs or ignition coils inspect them for visible damage such as cuts, pinches, or cracked or torn boots.
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Apply Silicone Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171A to the inside of the spark
plug wire boots.
