Ford F-150 engine turns over but won't start, fuel system components are good on Ford F-150

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

Problem overview

Some Ford F-150 owners report experiencing difficulties when their engine turns over but won't start, even after confirming that the fuel system components are in good condition. Common issues include battery problems, such as corroded terminals or weak connections that hinder electrical flow. Additionally, a malfunctioning fuel pump relay can contribute to a crank-but-won’t-start scenario. Owners may also face challenges with the fuel pump driver module (FPDM), which is essential for delivering power to the fuel pump. A blown starter relay fuse can lead to a clicking noise while preventing the engine from starting, necessitating a check of the fuse. Lastly, issues with the Passive Anti-Theft System (PATS) can arise if the key codes do not match, blocking engine start-up. It is important for owners to investigate these areas to troubleshoot the starting issue effectively.

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