Ford F-150 Heritage cranks but won't start, still having fuel delivery issue after multiple repairs on Ford F-150 Heritage

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Ford F-150 Heritage owners report experiencing issues where the vehicle cranks but won't start, often linked to persistent fuel delivery problems despite multiple repairs. These issues may stem from a malfunctioning fuel pump, which is crucial for delivering fuel to the engine. Additionally, some owners find that a faulty Fuel Pump Driver Module (FPDM) can cause similar problems, affecting the operation of the fuel pump even if it is otherwise functional. Loose or corroded connections and wiring issues are also common culprits that can hinder the fuel pump's performance. Furthermore, symptoms of a malfunctioning fuel pump can mimic those of a clogged fuel filter, making it vital to ensure both components are in good condition. If the fuel pump fails to run, it may indicate an issue with the FPDM, particularly in newer models where it serves as an electronic replacement for a relay. Owners facing these challenges are advised to conduct a thorough inspection of the fuel system and seek assistance from a qualified mechanic if the problems persist.

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