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#2 30 amp PCM Fuse keeps blowing. What?

Tiny
MICHDLB
  • MEMBER
  • 1997 FORD EXPLORER
My Explorer blows my #2 fuse upon start up ( as soon as the ignition is turned). The first time if blew, I replaced the fuse and the car ran for about 3 weeks. No the car won't turn over at all with the new fuse and blows that fuse when the ignition is turned. My mechanic is having a hard time figuring out how to trace the problem. Just a few days before the car started blew the fuse when starting the check engine light came on. Any assistance would be helpful.
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Saturday, April 11th, 2009 AT 9:07 AM

3 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Is this fuse in the power distribution block under the hood? If so then there is 2 number 2 fuses so is it the 15 amp one or the 30 amp one. It sounds like you have an ignition coil that is shorted I would replace it and try it again. Here is the fuse panel diagrams to help you see whats going on.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

here is a video of the coil being replaced on a similar car.

https://youtu.be/iDgXwKA-IIc

Check out the diagrams (Below). Please let us know what happens.

Cheers
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Saturday, April 11th, 2009 AT 9:28 AM
Tiny
MICHDLB
  • MEMBER
  • 2 POSTS
Yes the fuse that is blowing is in the box located under the hood. So I replaced the ignition coil and the problem has not happened again. I love this site!
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Saturday, April 11th, 2009 AT 12:25 PM
Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
Good to hear, please use 2CarPros anytime we are here to help.

Cheers
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Monday, April 13th, 2009 AT 6:22 PM

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