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Occasional rough idle

683 Views 0 Replies 1 Participant Last post by  Joe Buiter
i have a 2006 f-350 with 147,000 miles. on occasion it will idle/run rough. the ipr value on my scanguage II varies day to day.this morning it was at 22.4 yesterday it was around 27.5 but most of the time its 25ish. the icp seems to stay 588-600ish. ficm is always at least 48.5 but mostly 49. now when it idles rough the ipr and ipc bounce around quite a bit. more so the icp. any ideas on where to go from here. thanks
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