Maintenance - Draining the Fuel Filter Water Trap

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Draining the Fuel Filter Water Trap

WARNING: Do not dispose of fuel in the household refuse or the public sewage system. Use an authorized waste disposal facility.

Note: Only add fuel that meets the Ford specification. See Fuel Quality - E85.

Note: The in-tank pump will turn off automatically after approximately 30 seconds.

The fuel water trap is above the frame rail under the driver side of the vehicle.

Front of Vehicle.

Switch the ignition off.

Loosen the drain plug approximately one and a half turns.

Allow the water to drain.

Tighten the drain plug until you feel a strong resistance.

Key on for 30 seconds then key off. Repeat twice.

Start the engine.

Check for leaks.

Note: The water-in-fuel indicator lamp will go out after approximately 2 seconds, with the engine running.

Maintenance - Draining the Fuel Filter Water Trap

Draining the Fuel Filter Water Trap

2018 F-150 Owner's Manual