Question about 2008 Ford F-350 Super Duty
This is a hard question to answer, but I will try to help. I would assume that you have taken some portion of the turbo system off.
First, it is possible for one side to be good and the other to be bad. You would want to look at the exhaust ports from the heads to see if there is oil going to the Turbo from a bad Valve seal from a cylinder or a bad oil ring on a Piston.
Once you are assured that the problem is in the Turbo, there are oil seals on the rotor shafts. If there is a roughness in an oiled bushing or shaft surface, the Turbo slows down. This would reduce power. You may be able to feel the roughness with your hands.
Another Fixya Expert may be able to tell you more about testing the RPM of the Turbo and they may know how to do it without disassembling them. I hope my input has helped.
Posted on Feb 14, 2014
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Posted on Jan 02, 2017
5 litres of Ford SAE 5w -30w (Formula E ) ...available from Ford (or sometimes a lot cheaper off Ebay).
If you try and use anything else,( eg 10w-30 etc) then the turbo does not like it and the running becomes slightly sluggish
Posted on Oct 01, 2009
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P0087- low pressure fuel system. Fuel pressur valve stock open, Fuel volume control valve stuck close, Leaking fuel injector,P0088- fuel pressure contorl valve stuck close, Fuel rail pressure sensor P2291-all @ at the above, means to say poor fuel quality
Posted on Jun 21, 2010
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