Why is my vehicle stalling after replacing the fuel pump?

Tiny
TONI JANSEN
  • MEMBER
  • 2004 FORD EXPEDITION
  • 5.4L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I have replaced the fuel pump two times and fuel filter, also the fuel pump relay and still stalling on me. What could be the problem?
Do you
have the same problem?
Yes
No
Thursday, July 14th, 2022 AT 4:19 PM

5 Replies

Tiny
SQM
  • EXPERT
Hello,

So, does the engine just stalls all of a sudden as you are driving?
Are you able to start it back up afterwards?

This could be due to a faulty crank position sensor.
Faulty crank sensor won't be able to send the proper signal to the ECM and that can trigger the engine shutdown. After the shut down the engine may or may not start back up.

Take a look at these helpful guides:

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

I have attached diagrams below for your reference.

Let me know of any questions.
Thank you.
Was this
answer
helpful?
Yes
No
+1
Thursday, July 14th, 2022 AT 9:06 PM
Tiny
TONI JANSEN
  • MEMBER
When it first started happening the engine would start up again but recently it didn t want to start a couple of days ago.
Was this
answer
helpful?
Yes
No
Friday, July 15th, 2022 AT 3:06 PM
Tiny
SQM
  • EXPERT
So, it just cranks and cranks but does not start?
This could be due to a bad crank sensor.
Are you getting any codes?
Was this
answer
helpful?
Yes
No
Friday, July 15th, 2022 AT 3:25 PM
Tiny
TONI JANSEN
  • MEMBER
No codes at all.
Was this
answer
helpful?
Yes
No
Saturday, July 16th, 2022 AT 3:40 PM
Tiny
SQM
  • EXPERT
Take a look at the guides that I have provided above. It could help you determine the cause.
Was this
answer
helpful?
Yes
No
Saturday, July 16th, 2022 AT 9:58 PM

Please login or register to post a reply.

Sponsored links