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Turbo sounds different. Black smoke from exhaust
A while back my turbo started sounding different under acceleration. Instead of the typical whine it sounds more like a vacuum cleaner. I've also noticed that when I'm running about 60mph and accelerate hard I get a fair amount of black smoke from the tailpipe until the tranny downshifts and the rpm's spin up.
I'm running a tune from tdp and have never had black smoke until the turbo started sounding different. Also I'm not getting any codes. Boots pressures don't seem unusually high or low either.
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'06 F250 CC FX4 - 127k miles
Under the hood
EGR Delete, Upgraded oil cooler, upgraded stc fiting /w new HPOP, Blue Spring, 4" Turbo Back, SCT tuner /w Wildman Extreme & Street tune, Sinister Diesel Coolant Filter
studs to come
In the cab
Pillar Glowshift gauge package (EoP/Fuel press/EGT), Dashboss
Alpine touchscreen nav head unit, bluetooth, Phoenix Gold 4-channel amp, JL Audio's 6.5 components up front, 5x7's in rear doors, 10" sub behind seats.