Fuel not getting to the engine

Tiny
KLROBER89
  • MEMBER
  • 2008 MERCURY MARQUIS
  • V8
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
Fuel pump went out, change the pump and the filter, change spark plug. Gas not getting to the engine. I do not what what else to do.
Sunday, September 8th, 2019 AT 11:13 AM

5 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

You might want to check the fuel pump relay to see if working.Here is a tutorial showing how to test:

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

I've attached a picture below of its location.Hope this helps and thanks for using 2CarPros.

Danny-
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Sunday, September 8th, 2019 AT 3:19 PM
Tiny
KLROBER89
  • MEMBER
  • 3 POSTS
Change that also.
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Sunday, September 8th, 2019 AT 3:21 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello again.

Have you tested the fuel pressure recently? It might be possible you got a defective/weak pump. If you don't have access to a fuel pressure tester your local auto parts stores have a tool loaner program and will rent you one.Here is a tutorial showing what is involved:

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

https://www.2carpros.com/articles/how-to-check-wiring

I've attached below the fuel pressure specifications for your car as well as a wiring diagram.Hope this helps.

Danny-
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+1
Sunday, September 8th, 2019 AT 6:17 PM
Tiny
KLROBER89
  • MEMBER
  • 3 POSTS
Thank you.
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Sunday, September 8th, 2019 AT 6:20 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
You're welcome!
Let me know what you find after checking all this. Thanks again for using 2CarPros.
Danny-
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Sunday, September 8th, 2019 AT 6:33 PM

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