The truck will crank but will not start. There is no spark?

Tiny
PHELANSTAR
  • MEMBER
  • 1997 FORD RANGER
  • 3.0L
  • V6
  • 4WD
  • MANUAL
  • 160,000 MILES
The truck will crank but will not start. There is no spark. I have power at coils but no spark. Replaced the crank sensor wires coil and plugs.
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Sunday, August 12th, 2018 AT 9:41 AM

3 Replies

Tiny
KEN L
  • ADMIN
Hello,

This sounds like the PCM relay is not working. Here is a guide to help you test it and the location of the relay #4. Also, I found the engine wiring diagrams so you can see how the system works.

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

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. Check out the diagrams (below). Please run this test and get back to us.
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Thursday, July 1st, 2021 AT 1:11 PM
Tiny
PHELANSTAR
  • MEMBER
PCM was shorting when it was damp out. Put in new PCM cars fine now. Thank you
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Thursday, July 1st, 2021 AT 1:11 PM
Tiny
KEN L
  • ADMIN
Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help.

Cheers, Ken
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Thursday, July 1st, 2021 AT 1:11 PM

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