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Old 04-09-2011, 07:18 AM
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No power, no boost

I have an 08 F250...I have no power whatsoever, I can only get about 10 psi of boost...check engine light is on. I can barley climb a hill, and forget passing cars...ughhhh this is sooo frustrating...HELP!!!
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Old 04-09-2011, 07:39 AM
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Get a OBDII reader and see what's causing the engine light to be on? Could be numerous things, best bet is to start with the reader to diagnose the issue.
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Old 04-09-2011, 07:42 AM
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Do you recommend any certain one?
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Old 04-09-2011, 08:18 AM
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Old 04-13-2011, 06:24 AM
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Your IC boots might be leaking boost pressure. Not a common problem, but has happen to other members. If you haven't done a CCV mod the inside of your boots are covered with engine oil which from what I've heard, causes them to deteriorate. You could always pull them off and clean them with warm soapy water and rinse throughly. Check the condition of them and make sure there are no tears. When you reinstall them, borrow you wife's hair spray(yes, I said hair spray) and spray a shot on the inside of the boots when you reinstall them. Torque specs for the clamps are 60in/lbs when reinstalling them. Dieselsite has upgraded boots if you want to go that way.
Best of luck.
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Old 04-13-2011, 09:11 AM
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Check your up-pipes. I have the same problem with my F-550 6.4L, but I do get a little more boost than 10#. Look at your firewall and if you see soot look for a spot on the firewall where it has been disrupted from the hot exhaust gasses. If you don't see anything try using an inspection mirror to get a view of the backside of your up-pipes. My right up-pipe went at the flex piece causing exhaust gas to burn through the firewall and eventually melt my rubber flooring.
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