Engine will not start and run?

2014 FORD F-150
19,000 MILES • 5.0L • V8 • 4WD • AUTOMATIC
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PETTIT420
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  • 2 POSTS
I just pulled into the gas station and now me engine cranks over but wont start so what's wrong?
Apr 11, 2015 at 4:08 PM
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HMAC300
  • ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
It is common for the fuel pump to go out on these trucks or the crankshaft angle sensor has gone out. When you turn the key to the on position without cranking the engine over can you hear the fuel pump run in the tank for 5 seconds?

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back. Also check the fuel pump relay and fuses.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

and

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
May 31, 2021 at 12:37 PM
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PETTIT420
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  • 2 POSTS
you were right! the fuel pump was not running then I got a new fuel pump relay and it started thank you so much!
May 31, 2021 at 12:37 PM
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WRENCHTECH
  • ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
Nice work, we are here to help, please use 2CarPros anytime.
May 31, 2021 at 12:37 PM
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