Originally Posted by DakarM
could be clogged PCV or vacuum leak.
vacuum leak can be a PITA to track down.
Also 2200 rpms is kinda low to be running in 5th gear...does it do it at higher rpms at constant speed? What happens under acceleration?
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
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