Engine cranks but does not start?

Tiny
KENNETH BROOKS
  • MEMBER
  • 1994 FORD F-150
  • 3.9L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Put a new starter on and coil. The truck started and ran for 2 days. Now it just cranks but will not start.
Wednesday, October 25th, 2023 AT 11:23 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

In most cases, a crank no-start condition is either caused by a loss of fuel or an ignition spark at the plugs. We need to determine which is missing.

Here is what I need you to do. See if the engine starts if you use starting fluid. If it does and then stalls, we know it is a fuel-related issue. If there is no change, then we need to check for spark at the spark plugs.

Here is a link that explains how to check:

https://www.2carpros.com/articles/how-to-check-for-ignition-spark

Also, if you want to check for codes, you don't need a scan tool.

Here is a link that explains how it's done:

https://www.2carpros.com/articles/ford-lincoln-mercury-obd1-1995-and-earlier-diagnostic-trouble-code-definition-and-retrieval

Let me know what you find.

Take care,

Joe
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Wednesday, October 25th, 2023 AT 7:42 PM

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