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My engine cranks over but it will not start and run why?

Tiny
DEAND551
  • MEMBER
  • 1998 FORD RANGER
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 178,000 MILES
No spark or injector pulse, have plenty of gas pressure. Replaced crank shaft sensor still no start. But cranks. Check engine light does not go out while cranking. Also replaced coil packs.
Tuesday, March 26th, 2019 AT 3:57 AM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

This sounds like the fuel pump 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.

Do you have power to the injectors? check for battery voltage to the injectors.

Do you have power to the ignition coil positive side? Check for battery voltage there as well.

Roy
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Tuesday, March 2nd, 2021 AT 12:12 PM
Tiny
DEAND551
  • MEMBER
  • 3 POSTS
Yes, power at injectors and coils.
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Tuesday, March 2nd, 2021 AT 12:12 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, are the injectors working? You need a noid light to verify the PCM is grounding the injectors and commanding them to send fuel.

Does it have spark?

Roy
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Tuesday, March 2nd, 2021 AT 12:12 PM
Tiny
DEAND551
  • MEMBER
  • 3 POSTS
No spark I replaced the PCM runs great thanks for the guides, they helped.
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Tuesday, March 2nd, 2021 AT 12:12 PM

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