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1998 Ford Expedition #4 cylinder coil

Tiny
ENG961
  • MEMBER
  • 1998 FORD EXPEDITION
Engine Performance problem
1998 Ford Expedition V8 Two Wheel Drive Automatic

I have a bad coil on the #4 cylinder, what harm to the engin would I do if I drove the car about fifty miles?
Thursday, January 21st, 2010 AT 6:01 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,310 POSTS
Actually, it SHOULDN'T hurt too much other than bad fuel mileage, lack of power, and a miss. Hoever, remember the fuel will not get burned in that cylender that can make its way to the catylatic converter and into the oil thinning it. If you can avoid it, I would, but you should be okay. Please understand I can't guarantee it.

Let me know if you have other questions. Also, they are easy to replace. I would recommend replacing it. If you need directions, let me know.

Joe
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Thursday, January 21st, 2010 AT 8:24 PM
Tiny
ENG961
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  • 16 POSTS
I need instruction as to how to install it
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Friday, January 22nd, 2010 AT 10:02 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,310 POSTS
This is basic. Just unbolt the coil pack, disconnect the wiring harness remove the old coil and reverse the order to replace it.
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Monday, January 25th, 2010 AT 7:57 AM

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