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2001 Ford Expedition

Tiny
AWOODSON
  • MEMBER
  • 2001 FORD EXPEDITION
Engine Performance problem
2001 Ford Expedition V8 Four Wheel Drive Automatic

I've got a 2001 Expedition with a 5.4L engine that isn't firing on the 3rd and 6th cylinders. What could be causing this? Where are the 3rd and 6th cylinders on this engine located?

thanks
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Tuesday, February 2nd, 2010 AT 6:21 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Chances are it is one of three problems. Most common is a bad coil. On the 5.4L each cylender has its own coil pack. Usually coil packs will go bad. However, they are about 60.00 each. The other things that go bad are the rubber boot that is attached to the coil that goes to the plug can go bad and short causing a miss. The third thing is the spark plugs may need replaced if they haven't been for a while.

Let me know what you think and if you have other questions.

Joe
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Saturday, February 6th, 2010 AT 9:08 PM

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