SPONSORED LINKS

Cranks no start Exactly that, cranks but doesn't start?

Tiny
GTCIRCUS
  • MEMBER
  • 2008 FORD F-150
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
Exactly that, cranks but doesn't start.
Friday, January 17th, 2020 AT 1:12 PM

3 Replies

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

Can you hear the fuel pump run when you turn on the key?

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

You need spark, fuel pressure and compression for it to run.

https://www.2carpros.com/articles/how-to-test-an-ignition-system

https://www.2carpros.com/articles/how-to-test-engine-compression

I would check the fuel pressure and check for spark at a spark plug.

I attached some charts for you to follow.

Let me know the results. See if the tachometer moves up a little while cranking. That will tell me if the crank sensor is working.

Roy
Images (Click to make bigger)
Thumb
Thumb
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Monday, May 31st, 2021 AT 12:38 PM
Tiny
GTCIRCUS
  • MEMBER
  • 1 POST
Got it, fuel module it turns out was bad, all fixed!
Was this
answer
helpful?
Yes
No
Monday, May 31st, 2021 AT 12:38 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,882 POSTS
ASEMASTER6371 is one of our best! Good to hear, please use 2CarPros anytime we are here to help.
Was this
answer
helpful?
Yes
No
Monday, May 31st, 2021 AT 12:38 PM

Please login or register to post a reply.

Related Engine Not Running Content

How to fix an engine that wont start
VIDEO
How to fix an engine that wont start
Instructional repair video
Engine Not Starting - Top 3 Easy Steps
GUIDE
Engine Not Starting - Top 3 Easy Steps
Over the past 20 years on 2CarPros we have identified the top three problems that are easily fixed. This can save you a trip to the repair garage or calling a tow truck and...
VIEW MORE

Sponsored links