2003 Ford F-150 Lightning Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Ford F-150 Lightning

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2003 Ford F-150 Lightning Problems

Oil leaks from intake and valve covers

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

Ignition Coil Failure Due to Excessive Spark Plug Gap

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.

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2003 Ford F-150 Lightning Questions

Starts with fule shot into intake no start with out Changed fule pump and fuler (1 answer)

What do i do

cutting out under boost (2 answers)

okay just bought a 2003 lightning runs fine at low speeds but when I got on the freeway put it under boost and it started cutting out and about 90-95 it acted like it was not getting fuel let off set cruise at 70 ran fine got 3 days to take back if its an easy fix prefer not to thanks

What is the problem? (1 answer)

When i start my truck it runs fine for about ten second. then the rpms ease down and it begins to sputter(in park and neutral)acting like it wants to die but in drive and reverse it runs great Whats causing this?

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2003 Ford F-150 Lightning Recalls

Recall 07V336000
ON CERTAIN PICKUP TRUCKS, PASSENGER VEHICLES, SPORT UTILITY VEHICLES, AND MOTOR HOMES CHASSIS, THE SPEED CONTROL DEACTIVATION SWITCH MAY, UNDER CERTAIN CONDITIONS, LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN.
Vehicle With Installed Southern Comfort Running Boards Recalled Due to Board Lamp Failure

The courtesy lamps on affected running boards may overheat when exposed to moisture and road salt. Overheating may cause the lamps and boards to melt or start a fire. Dealers will replace the wiring harness for these running boards.

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