Crank but no start

Tiny
JCLEMMOJOE
  • MEMBER
  • 1998 LINCOLN MARK VIII
  • 2.9L
  • V8
  • 2WD
  • AUTOMATIC
  • 95,000 MILES
The engine cranks but does not start. Fuel pressure in fuel rails.
Sunday, June 5th, 2022 AT 9:38 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Generally speaking, you will need spark, fuel and compression to start the engine.
Have you checked for spark to the plugs?
Spark issues can be due to plugs, ignition coil, ignition control module. It can also be due to a faulty crank position sensor.
Keep in mind if there is inadequate fuel pressure it might not start the engine either.

The best course of action would be to look at each possibility and go from there.

Take a look at this guide, it goes over the typical diagnostics process for crank no start issues:

https://www.2carpros.com/articles/car-not-running-advanced

Go through these and let me know what you find or if you have any questions.

Thank you.
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Sunday, June 5th, 2022 AT 3:56 PM

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