Mileage loss and more boost - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 06-03-2009, 10:13 AM Thread Starter Rookie
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Mileage loss and more boost

I have lost mileage in the last few months and have noticed that my boost pressure is up around 3-4 psig more than normal going down the expressway. Is there any thing that I might need to look at? All after market parts have been on it for 2+ years.

2002 CC dually
7.3 w/ 4" exhaust
diesel innovations programmer
4.10 gear w/ gear vendor secondary O/D

Last edited by Lee Morgan; 06-03-2009 at 12:38 PM.
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