hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
64,031 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2001 Lincoln Navigator fuel system problems

fuel system problem

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2001 Lincoln Navigator Owner Comments

problem #3

Jul 122014

Navigator 8-cyl

  • 122,000 miles


Second time the spark plug blew out of the Triton 54 head.. trained tec performed it the first time sert install and worked fine. He didn't touch the factory plugs on the other cylinders. But those blew out this is a Ford design error and flaw but they refuse to acknowledge it. Instead they rather blame the techs and the customer.

- Meridian, ID, USA

problem #2

Sep 082010

Navigator 8-cyl

  • 68,094 miles
I own a 2001 Lincoln Navigator with a 5.4L engine. I was on my way to work and was going approx. 15 mph when I heard a bang coming from the front of the car. At first I thought I had hit something or something was falling off the car. I pulled over to the side of the road and at this time the engine started to run rough. I shut it off and checked under the hood but could not see anything wrong. I thought, after restarting the engine that it might be a bad spark plug. As I started off the car was still running bad so I decided to return home.the next day, 10/09/2010, I decided to check further and removed the three of the spark plugs on the drivers side, but the last one which is at the front of the engine I noticed the coil was all torn apart and the end of the coiled wire was sticking out from the plug hole. I pulled said wire out and saw the spark plug at the bottom of the hole. It appeared to have been blown out of its threads. Also to be noted is the smell of gas was very apparent and because the spark plug was damaged, the ground was forced against the electrode and was unable to spark. If it did, I'm sure the engine would have caught on fire. I also found two pieces of some unknown material that fell into the cylinder. The part appears to be a carbon material and might be part of the cop, coil over plug. After doing some research on the web, this appears to be a common problem with this type of Ford engines. I called the Lincoln dealer I bought the vehicle from and they said they have never heard of this problem. But they would get back to me if they can help. Further inquiry found that Ford recommends replacing the cylinder head when this problem occurs. This would cost approx. $3500. As I have been unemployed for fifteen months, and finally found a part time job, (14 hours a week) this would be an expense I can not afford. The web sites did state that Ford is aware of this problem but will not admit to their poorly designed head.

- Goffstown, NH, USA

problem #1

Jun 262003

(reported on)

Navigator 4WD

  • 2,000 miles
Problems with fuel pump, windshield wipers, driver's seat, brakes, air conditioner, gear shift, air bag, cd player, window motors, driver's handle door, sunroof. Ph. also the fuel pump, trailer hitch, the lighter ejected to the floor, the ignition was loose and there was an electrical short in the windows..

- Danivlle, IL, USA

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