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Misfire in cylinder 8?

Tiny
DEDMAN0619
  • MEMBER
  • 2001 FORD CROWN VICTORIA
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 89,000 MILES
The temperature gauge shoots up fast and goes back down in a second and it says I have a misfire in cylinder 8. Can a misfire cause my temperature gauge to spike and go back to normal, and can a bad coil make it happen?
Wednesday, November 6th, 2024 AT 7:39 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,443 POSTS
It sounds like you have two problems, I would check the wiring at the coolant sensor, I don't think a bad coil can cause the temperature to act up. I would replace #8 spark plug and ignition coil because they are known to fail on these cars, here is how in the images below and I have included a guide to help as well.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Check out the images (below). Let us know what you find.

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Thursday, November 7th, 2024 AT 5:44 PM

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