10.0

really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
129,167 miles

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problem #6

Nov 212016

F-550 4WD 8-cyl

  • 150,000 miles
Spark plug ejected from the engine block, as vehicle was moving on a highway. Disabled, needed a tow. Repair very expensive.

- Goleta, CA, USA

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problem #5

Oct 142016

F-550

  • 109,000 miles
Spark plug blown out of head. Spark plug #7 blew out 9 months ago. Now plug #8 blew out. Mechanic says it's due to poor design of aluminum head and insufficient threads. Both times, this happened while coasting at a slow speed (< 30 mph).

- Arvada, CO, USA

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problem #4

Sep 172016

F-550

  • 106,000 miles
The sparkplug blew out for the second time. The first time was about 9 months ago. Running fine then about 40 mph the plug blew out

- Elyria, OH, USA

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problem #3

Aug 182014

F-550 8-cyl

  • 147,000 miles
Motor ejected #3spark plug on passenger side.

- Sioux City, IA, USA

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problem #2

Aug 182011

F-550

  • 138,000 miles
The plugs blew!! this has happened repeatedly and as of now(7-2-2014) all have been replaced. Im sure that will start again but this is quite an expensive problem. My truck had 8 plugs...thank god they don't all blow at once!!

- Summerville, GA, USA

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problem #1

Nov 042012

F-550 8-cyl

  • 125,000 miles
2001 Ford F150 was sitting out in driveway of owner's home. He had been home approx 1/2 hours when owners vehicle was on fire coming from the engine compartment. No fire damage to the inside cab of owners vehicle.

- Santa Clarita, CA, USA

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