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Anyone know what causes this?
Posted to Technical Discussion Forum on 3/16/2010 61 Replies

Ran across these today and I don't really have an explanation for it. Vehicle had a misfire code for #4 cylinder, cylinder contribution test shows cylinders other than #4 missing. Anyway, anyone have any idea what I'm seeing here? Testing point was done at the... Login to read more.

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car Vehicle Data

2001 Ford F-150 XLT 4.6L

Engine4.6 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2001 Ford F-150 XLT 4.6L

Engine4.6 L
Trans4-speed Automatic (Electronic)