really awful
Crashes / Fires:
0 / 3
Injuries / Deaths:
1 / 0
Average Mileage:
98,333 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.

1999 Ford Expedition fuel system problems

fuel system problem

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1999 Ford Expedition Owner Comments

problem #9

May 232011

Expedition 4WD 8-cyl

  • 130,000 miles


I have a 1999 Ford Expedition XLT with a 5.4 L V8 with 130K miles on it. I started my vehicle this morning and it sounded like the engine had exploded followed by grey smoke coming from under the hood. After inspecting the vehicle I discovered that the passenger side, second from the rear spark plug was blown out of the cylinder head.after some research I found that this is an all to common problem for certain year model Ford. This a very dangerous defect and not only could someone get injured or stranded but could also be lethal if the gas from the cylinder were to ignite under the hood causing an explosion or engine fire. Something should be done to prevent this.

- Victorville, CA, USA

problem #8

Mar 122011

Expedition 4WD 8-cyl

  • Automatic transmission
  • 66,000 miles
The contact owns a 1999 Ford Expedition. The contact stated the straps that supported the fuel tank were corroded and fractured. The vehicle was taken to the dealer who replaced both fuel tank straps at a cost of $278 to the contact. The manufacturer was not made aware of the failure. The failure mileage was 66,000. The rear differential cover was leaking and had to be replaced. Updated 06/27/11

- Bolton, CT, USA

problem #7

Nov 062010

Expedition 4WD 8-cyl

  • 154,000 miles
For the 2nd time I have had a spark plug blow out of the engine. This time the gas caught fire. I managed to beat it out with my jacket, unhook the fuel injector, and drive the vehicle the rest of the way home. Fortunately the fire started just as I opened the hood and I got it out before any damage could occur.

- Covington, KY, USA

problem #6

Aug 202010


  • 122,000 miles


A spark plug blew/popped out the head on our 1999 Ford Expedition, causing fuel vapor to leak out of the opening, and starting a small fire, which was quickly doused. This is the 2nd time in 3 years that this has occurred, resulting in over $2000 in repair costs for each occurrence. I am very frustrated as I have read thousands of complaints from other Expedition, Navigator, F-150, and F-250 owners with this same dangerous situation, and nothing has been done" peoples lives could be at risk with this issue" recall now!

- Hayward, CA, USA

problem #5

Mar 012010


  • 120,000 miles
SUV stalled fuel vapors filled inside SUV smoke then filled inside, we got out lifted hood a fire was starting on driver side near wall, my son and I stood back fire was dropping from the engine we got away from the vehicle it exploded 3 X. I received lung life long lung damage, the incident had never occurred before, the vehicle was not salvageable.

- Bend, OR, USA

problem #4

Apr 022010


  • 140,000 miles
My 1999 Ford Expedition had a spark plug shoot out from the head on my way to my cabin April 2nd, 2010. I have 2 small children and was driving in a area with no cell coverage or gas stations. The fumes made the inside of my vehicle smell horrible and had to drive to 17 miles with the windows down late at night. This is a bad engine from Ford, I could've been worse off with kids getting sick from gas fumes or being stranded in the middle of nowhere.

- Alliance, NE, USA

problem #3

Jan 092009


  • 153,000 miles


Was driving car to work this morning. Made a right hand turn and heard a knocking noise suddenly after completing turn. Pulled to side of road and immediately shut down vehicle. After shutting down I smelled what appeared to be gasoline. Called my insurance company and they had vehicle towed to Ford dealership. After waiting a few hours they told me spark plug had popped out and cylinder head needed to be fixed along with plug, and it was indeed gasoline I smelled. They said it would need major repair to fix, and tried to convince me to pay and arm and a leg. I don't care about that, I care that my child could have been in car, as I pick her up every day from school. Also mad that a fire could have started and Ford does nothing about this problem and that there have been thousands of complaints from Ford truck owners with Expedition and F150's from 97-02. Something better be done to recall these faulty engine components, or families will suffer from Ford's lack of safety with these plugs and cylinder heads/coils.

- Hayward, CA, USA

problem #2

Jun 202003


  • miles
Fuel line is leaking gas on top of the fuel tank. Dealer notified. Consumer indicated that the vehicle is running without any warranty.

- Nashville, TN, USA

problem #1

Aug 032002

Expedition 4WD 8-cyl

  • Automatic transmission
  • miles
Interior lights malfunctioning, daytime running lights not working correctly, heating/cooling system not working properly; stays on even when key is not in ignition. When ignition is turned on or off, the woofer makes a loud thumping sound. Woofer inoperable. Right sign wing never worked properly/ will not open or close. Braking system is doubtful, it squeaks, and when gas is released engine and braking are not coordinated smoothly. Constant squeaking when in motion. Dealerships service repair personal neglect and refuse to find the causes, even though vehicle is still under warranty.

- Brooklyn, , NY, USA

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