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05 Ford F150 Spark PLug
Posted to Technical Discussion Forum on 3/16/2018 26 Replies

This vehicle was having a misfire on cylinder #3. The spark plugs had been changed about 30,000 miles ago with Autolite XP spark plugs. We pulled the spark plug and this is what we found as seen in the pictures. Any ideas as to what caused this to happen. We d... Login to read more.

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car Vehicle Data

2005 Ford F-150 STX 4.6L

Engine4.6 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2005 Ford F-150 STX 4.6L

Engine4.6 L
Trans4-speed Automatic (Electronic)