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Relative compression readings?
Posted to Technical Discussion Forum on 5/10/2018 8 Replies

We have a steady misfire from cylinder #8. #1 has a current contribution code but isn't showing on the misfire monitor. Did a relative compression test using a Picoscope & amp clamp. It has 2 cylinder abnormalities I am not familiar with. Analysis of the data?... Login to read more.

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car Vehicle Data

2008 Ford F-550 Super Duty XL 6.4L

Engine6.4 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2008 Ford F-550 Super Duty XL 6.4L

Engine6.4 L
Trans5-speed Automatic (Electronic)