how to fix the hard start issue on my Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Ensure the vehicle is parked on a flat surface and the engine is cool.

2. Inspect and Replace Battery

• Tools Required: Wrench set, multimeter
• Use a multimeter to check the battery voltage; it should be above 12.4 volts.
• If the battery is weak or old, replace it with a new, compatible battery for the F-150.
• Reconnect the negative battery terminal.

3. Fuel System Inspection

• Tools Required: Fuel pressure gauge, safety goggles
• Attach the fuel pressure gauge to the fuel rail and turn the ignition to the "ON" position without cranking the engine.
• Check the fuel pressure; it should be within manufacturer specifications (typically around 30-45 psi).
• If the pressure is low, check the fuel pump and fuel filter. Replace the fuel filter if clogged and test/replacement of the fuel pump if necessary.

4. Spark Plug and Ignition Coil Check

• Tools Required: Socket set, torque wrench
• Remove the spark plugs using a socket set and inspect for wear or carbon buildup.
• Replace worn spark plugs with OEM recommended parts.
• Test ignition coils using a multimeter; replace any faulty coils.

5. Fuel Injector Cleaning or Replacement

• Tools Required: Injector cleaning kit or replacement injectors
• If injectors are clogged, clean them using an injector cleaning kit.
• If cleaning does not resolve the issue, replace the injectors with new OEM parts.