Misfire

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Aug 4, 2022 | 07:39 PM

klausd

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Cross-Country

Joined: Jan 2021

Posts: 58

Likes: 1

From: cheney

Misfire

So I have been throwing a misfire code on cylinder 10 on my 1999 f250 super duty, i replaced my coil pack and it is there again today, other than a bad coil pack what else can cause that?

Aug 5, 2022 | 01:20 AM

Tunafish389

More Turbo

Joined: Jan 2019

Posts: 533

Likes: 78

Spark Plug would be first.
then injector
Wiring
PCM
valves
cam shaft

Aug 5, 2022 | 12:03 PM

Djosbun

Fleet Mechanic

Joined: Oct 2017

Posts: 1,704

Likes: 164

From: Southwest Ohio

Use a noid light on the #10 injector to see if it’s being commanded on.

— Dave

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