2003 Ford F-150 Lightning Problems

RepairPal has identified the most common problems with the 2003 Ford F-150 Lightning as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

Oil leaks can develop around the intake manifold gaskets and valve cover gaskets.

An illuminated Check Engine Light could indicate that one or more of the ignition coils has failed due to excessive spark plug gap. To fix this problem, the ignition coils that have failed, the spark plugs, and all coil boots should be replaced.