ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

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E 250 3/4 Ton Van V8-5.4L CNG VIN M (1997)

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Spark Plug: Testing and Inspection

CLEANING AND INSPECTION

Spark Plugs

Inspect the electrodes and outer surface. Refer to Spark Plug Inspection Chart. Replace spark plugs if they are worn or damaged.

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