Ford E-150 long starting time issue despite new spark plugs, fuel pump, and module on Ford E-150

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

Problem overview

Some Ford E-150 owners report experiencing long starting times despite having new spark plugs, fuel pump, and module. These issues may be linked to several factors, including a low coolant sensor that could affect starting performance. Additionally, a plugged fuel filter is commonly cited as a potential cause of prolonged starting times. Some owners have also identified a weak or failing fuel pump as a contributing factor, along with the need to check the fuel pump relay for possible fuel delivery problems. Furthermore, issues within the ignition system, which is essential for generating spark in the engine cylinders, can lead to starting difficulties. In certain cases, the alarm system may be implicated, with some mechanics suggesting that disabling the alarm by pulling a fuse could resolve the starting issue. A thorough inspection of these components is recommended to effectively diagnose and address the long starting time problem with the Ford E-150.

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