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Replaced fuel pump, fuses, relay a

Tiny
FIREDAWG1983
  • MEMBER
  • 1997 FORD CROWN VICTORIA
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
My car would drive fine and then the past week it died 3 times driving. It would just die any time. Now it wont start. We found out it wasnt getting fuel so we replaced the relay, fuse, filter, and fuel pump. As soon as we got it all back together the car will try and turn over but its not getting any fuel. The fuel pump is not getting any power. We took it apart again and everything is hooked up correctly and still doesnt work. The inertia switch is good and we have checked the wires from the trunk all the way to the front of the car. I'm going to dig into the engine compartment tom. Ive heard check the wires and what not but I dont know what else it could be. Any help would be greatly appreciated.
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Wednesday, February 25th, 2009 AT 10:54 PM

30 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Test the fuel pump relay its in the relay center
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Thursday, February 26th, 2009 AT 2:00 AM
Tiny
FIREDAWG1983
  • MEMBER
  • 5 POSTS
We already replaced it with a brand new relay
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Thursday, February 26th, 2009 AT 9:24 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
New fuel pump, relay-inertia switch good.

Heres a guide on testing wiring, it will help

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

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Attached below is the wiring diagram for your fuel pump. Be sure you have all powers at the fuel pump relay and that power is going through the inertia switch )located in trunk)
Image (Click to make bigger)
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Thursday, February 26th, 2009 AT 2:08 PM
Tiny
FIREDAWG1983
  • MEMBER
  • 5 POSTS
Its not even getting any fuel at all. No fuel at the rails. The car will crank over but wont start up and run. Brand new battery, fuel pump, fuel filter, fuel pump relay, fuses are all good. I'm not sure what I need to do next. We followed the wires from the trunk forward and cant find anything wrong with them. On the bottom of all the relays they have some cuts on the wires but just through the sheathing and doesnt look like an issue. So the number one issue is we dont have power to the pump to get it started. Two is we cant get it started it has a new starter and the vehicle cranks over it just wont start up and I'm sure because its not getting fuel any help is greatly appreciated
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Thursday, February 26th, 2009 AT 5:58 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Power the fuel pump from the battery and then check the fuel pressure if its correct-could be a defective fuel pump.
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Thursday, February 26th, 2009 AT 6:11 PM
Tiny
FIREDAWG1983
  • MEMBER
  • 5 POSTS
Ok I'll try that. How do I do that? Its a brand new pump so I would hope it isnt defective
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Thursday, February 26th, 2009 AT 6:14 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Agreed. However, we have learned many times that new parts are not good parts. So I would suggest we check the pressure just to rule it out as it will be difficult to find it if it is a faulty pump. So run through this guide and just make sure and we can go from there.

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

Thanks
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Thursday, February 26th, 2009 AT 6:18 PM
Tiny
FIREDAWG1983
  • MEMBER
  • 5 POSTS
Ok thanks
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Thursday, February 26th, 2009 AT 6:37 PM
Tiny
BETSEE123
  • MEMBER
  • 1 POST
  • 1997 FORD CROWN VICTORIA
  • V8
  • 2WD
  • AUTOMATIC
  • 108,000 MILES
I changed the fuel pump in 1997 crown vic and it still won't start and don't hear the fuel pump
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test fuel pump fuse, fuel pump relay and inertia fuel cut off switch
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
With key to just ON, does your check engine light come on along with other wraning lights?
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
FULLTOW
  • MEMBER
  • 1 POST
  • 1990 FORD CROWN VICTORIA
Engine Mechanical problem
1990 Ford Crown Victoria V8 Two Wheel Drive Automatic

I need to know easiest way to remove fuel pump
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Would not there is an easiest way. You will need to drop fuel tank out. Remove locking ring remove assembly.
Good luck
Spray the hold down bolts for the straps with penetrating oil
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
GORDON_YI
  • MEMBER
  • 4 POSTS
  • 2004 FORD CROWN VICTORIA
(key on engine off) the fuel pump makes a rumbling sound. Car turns over but no start. Fuses and relays are good. Also the speedometer is also erratic when powered on
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
Have you checked fuel pump pressure to the engine? Have you checked for spark to the plugs? As far as the speedo, can you explain what is happening?
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
GORDON_YI
  • MEMBER
  • 4 POSTS
I got spark but don't have a pressure gauge to measure the fuel at the rail.
The speedometer shoots up to 60 and then bounces around 30 and 70. And it happens in sequence with this weird rumbling noise from the fuel pump.
Then I just notice my odometer keeps rolling too.
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Sunday, March 24th, 2019 AT 10:40 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
See if the car starts with starting fluid. Also, if it does start for a couple seconds, you need to rent a fuel pressure gauge at a parts store and check it.

As far as the speedo, it sounds like you have a bad vehicle speed sensor (VSS). However, it is odd that is acts up when you hear a change in the fuel pump. Have you checked for any ground issues?
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Sunday, March 24th, 2019 AT 10:41 AM (Merged)
Tiny
GORDON_YI
  • MEMBER
  • 4 POSTS
Yeah I'm going to go check that out tomorrow. I had a hunch it could be a ground issue but don't know where to start. It'll run for a few second with starter fluid.
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Sunday, March 24th, 2019 AT 10:41 AM (Merged)
Tiny
JOSEDLT2009
  • MEMBER
  • 3 POSTS
  • 2000 FORD CROWN VICTORIA
  • V8
  • 2WD
  • AUTOMATIC
  • 180 MILES
Where is the gas pump for this model
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Sunday, March 24th, 2019 AT 10:41 AM (Merged)
Tiny
JOSEDLT2009
  • MEMBER
  • 3 POSTS
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Sunday, March 24th, 2019 AT 10:41 AM (Merged)

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