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Power Strokes
6.4 Tech
6.4 seems sluggish
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[QUOTE="2008F2504x4, post: 1507319, member: 29786"] Any luck on this issue? My truck is doing the same thing. I've had my truck for about 5 years, just started doing this a month or so ago. Just like you mentioned it's like an on and off switch. Feels like 8-10 lbs of boost and 50-75 hp difference. My truck has a Spar*** 150 tune(also does in on the 275 tune) EGR ******, Sinister elbow, S&B Intake, 4" Dp / 5" Exhaust. Just changed all fluids and filters(This is done every 5000 miles). Installed a new motor craft EBP sensor and tube. Thanks Shane [/QUOTE]
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