97 F150 4.6 Spark Plug Wire Diagram
4.6L, 5.4L Modular Spark Plug Replacement How to Supplant the Spark Plugs in the 5.4L or 4.6L Equipped Ford F-150, Expedition The engineers at Ford made replacing the spark plugs on the 4.6L and 5.4L engines a difficult task. Not only are the locations difficult to entree, but then there's the risk of stripping the spark plug threads. However, replacing the spark plugs are non particular difficult once you cause the rightmost tools in front of you - IT may read you few hours the archetypical time, but it won't be nearly equally intimidating to repeat. IT is generally a wise idea to supplant ignition coils while you rich person them off, unless your current coils are comparatively new or are verified to be in good working order. Signs that your ignition needs attending include miss under consignment, hard/rough starting, poor fire economy, and shrunken performance/throttle response. 4.6L, 5.4L Spark