Question about 2002 Lincoln Navigator

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I have a 2002 lincoln navigator that will not start. when i turn the key, I don't hear the fuel pump. I checked the fuses and relays, which checks out good. i even checked the fuel reset switch.

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Run scanner for trouble codes, some auto parts store will do this for free, sounds like fuel pump could be faulty 

Posted on Oct 04, 2009


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Posted on Jan 02, 2017


SOURCE: 2002 lincoln ls wont start . no fuel going to

How did you test the fuel pump?
Which one Distribution Pump or Transfer Pump?
Do you have fuel presuure at the rail?
Do you have a crank signal or spark?


Posted on Nov 29, 2010

SOURCE: how do you replace the fuel relay on a 2006 lincoln navigator

Its inside the fuel pump assembly. Unfourtunetly, you cannot buy it alone. You have to replace the entire fuel pump assembly (unless you can find the assembly at a junk yard and then take out the relay.

Good luck!

Posted on Nov 11, 2011

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1 Answer

Where to replace the fuel pump relay on a 2003 Lincoln navigator

First check fuse to the fuel pump. The relay may not be a plug-in unit and if truly bad you might need to take it to a dealer. There are several fuse panels - one is in engine compartment and the other is in the passenger side kick panel. I believe the one in the kick panel has the fuel pump fuse. Fuse 1.34 is the fuse for the relay.

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Check for any stored ECM that might be related, a local checker or Auto zone can help with a code pull.

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when you turn key to on position, not start position, you say you cannot hear pump hum for a few seconds, correct ? first check fuses, then find fuel pump relay, it may have a fuse in it also. I would replace relay first. after the fuses of course. if you still don't hear pump run, then your pump is most likely the problem. its in your tank. one more thing, make sure all grounds are good in this circuit. it could be that simple. good luck

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My car wont start, it is turning over but AAA said it may be fuel pump. how can I tell

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1 Answer

Navigator will not start turning over fine , just cut off at redlight,would not restart lincoln navigator 2001

that sounds like it could be a fuel pump. have someone turn on the key but not start the truck while you listen by the tank for a humming sound. IT will only last a second or two. If you dont hear anything then your pump is bad. The filter could be clogged also. before tearing off your gas tank replace the fuel filter, which you would do if you replaced the pump anyway.

remove the cover from your computer under the hood and check all the fuses.

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