why wont my navigator start?


Asked by Feb 28, 2016 at 01:04 PM about the 2000 Lincoln Navigator 4WD

Question type: Maintenance & Repair

I have a 2000 Lincoln navigator with a 5.4L V8. On way home it died
on me and won't start. It will just turn over and does not try to fire at
all. And when it turns over it makes a weird high pitch whining sound.
What could cause this ?  I watched as it was cranked over and engine
is turning over because all the pulleys are turning.

11 Answers


I've heard it could be the anti theft system, the timing chain or the fuel pump.

1 people found this helpful.

How many miles on the Navigator?

2 people found this helpful.

I have the same trouble , I put a new fuel pump and check for spark , and it has fuel when I put it on cause it comes out the fuel pressure regulator with no problem when I took it off . I think it's the Anti Theft system because the theft light keep flashing and won't go off until after a couple of minutes

So what did y'all do bout the anti theft system Please email me some answers. Shakimahw@gmail.com

I’m having the exact same problem. Was there an answer as to solving the anti theft problem? nickpridemore@me.com

I have the exact problem did you ever get an answer?

I’m having the same issue the anti theft light keeps blinking if you have any answers I would like to know as well please sheena23james@gmail.com


Having same issues. I've tried reinitializing the anti theft system. I'm getting fuel just no fire. Please help.

1 people found this helpful.

My navergater turns over one time then want turn over no more wat can be the problem

ust stick your key in the driver side door and lock it then unlock it once you did this them try starting your truck it usually shuts off the anti theft. Note that you don't need to get out of the truck to do this just roll down your window! Also if you have a keyless entry while sitting in your truck just hold the keyless remote press lock then unlock and this should also disable the anti theft system.

Put on a new starter and have same problem it just makes a click and the battery is not dead what's the problem???!

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