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Home >> Ford >> 2023 >> Mustang Mach 1, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Tank And Lines - 5.0L 32V Ti-VCT (359KW/486PS)/(WU)/5.0L Ti-VCT V8 (343KW/466PS) (MF) >> Description And Operation >> Fuel Tank and Lines - Overview >> Fuel Pump Shut-off Feature >> For vehicles equipped with a key system:

For vehicles equipped with a key system:

1. Switch off the ignition.

2. Switch on the ignition.

3. Repeat Steps 1 and 2 to re-enable the fuel pump.