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Message: [QUOTE="Powerstroke Man 6.4, post: 1059563, member: 4573"] Truck has 260,000 miles 08 Job 3 F-250 CCSB 3.55's So I got a high pitched noise coming from the front of the truck at 20 PSI +. I checked the uppipes and checked on the bellows the bellows are clean no soot on them and or the fire wall. I checked the IC boots no leaks clamps are tight. The manifold bolts are all there no missing or broken bolts. One thing I found is oil that seems to be coming out of the VGT. '[IMG][URL=http://s327.photobucket.com/user/F-250Powerstroke/media/TurboOil_zps36a297b7.jpg.html][IMG]http://i327.photobucket.com/albums/k462/F-250Powerstroke/TurboOil_zps36a297b7.jpg[/IMG][/URL][/IMG] DTC P2263 "Turbo/Super Charger Boost System Performance" comes and goes I bought a new EBP sensor and new tube from the dealer. (code still comes and goes) Checked on the pigtail/wiring and its in great condition. KOEO EBP (Absolute) 14.5 PSI The truck has 260,000 miles I do not know if this is the original set of turbos. The truck does have a EGR delete on the truck S&B,Flo~Pro 5 inch exhaust and X4 with PIP tunes. The truck is kinda laggy and smokes quite a bit (0-TQ Lock) once the TQ locks the smoke clears and it pulls hard until I have to let of because of the "high pitched" noise. EBP A 48 psi to 20 psi boost (48-14.5 = 33.5 EBP) this is when the "high pitched" noise will start and go until I let off the gas. EBPA will sometimes go to 80 psi EBP A on hard pulls. (80-14.5) = 65.5 (EBP) with (40) psi boost normal? The VGT duty cycle is normal and comparable to my dually's duty cycle. What you guys think? Thanks in advance [/QUOTE]

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