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Oil leak in Turbo Charger
The MPG on my '06 F250 (82k miles) has been decreasing. I used to get about 15 mpg towing my trailer, now it's about 11.5. It also popped P0299 codes a couple times (turbo underboost). I took the turbo off and found oil in the boost air outlet side. I took the intake manifold off and found wet sticky oil in there as well.
No issues with coolant, the EGR cooler is fine. I am going to install an EGR cooler with plugs welded in the ends.
I attached pictures showing the oil in the intake and turbo. My question is: What's the best way to clean the oil out of the intake ports on the engine block?
I haven't taken the turbo apart yet, but what can I expect to find? Are oil leaks in the turbo common?