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Re: 08 f550 6.4 stalled while driving
Posted to HD/Fleet Forum on 4/17/2018 5 Replies

Roger, 166 rpm is too slow for a 6.4L. It should be closer to 200. Maybe an accessory is dragging it down.

FRP sensors have been known to lie, What's the VCV and PCV doing while it's cranking? Login to read more.

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