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2006 360EC won't plane

I have a 2006 360 w/ twin 8.1OSi 374HP volvo's and Ocean X penta duo prop drive. the bottom is clean and paint is fresh.  Any idea as to what the problem might be

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    aero3113aero3113 Member Posts: 8,812 ✭✭✭✭✭
    When is the last time you changed your fuel filters? How old is your fuel?
    2008 330EC
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    Michael TMichael T Member Posts: 7,227 ✭✭✭✭✭
    What are your rpms at wot......twin 496s that thing otta go like a bat on fire! Trim and tab settings? Have the drive ram shims been moved. Even that shouldn't stop those 496s. 
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    CoastalGroupCoastalGroup Member Posts: 13 ✭✭
    I had a similar issue last year and posted the issue on this forum.  I received Lots of interesting inputs that you may find useful...you may be able to review on "my discussions" page.  I eventually discovered that I had a trim tab issue. I had a leak in the hydraulic line feeding my trim tabs, thus preventing them from going up/down and thereby preventing me from getting on plane.  I was really surprised that the non working trim tabs had that much impact on my boat, but once repaired I was able to get on plane without issue. 
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    Cableguy GregCableguy Greg Member Posts: 5,012 ✭✭✭✭✭
    There could be a fault code on the engines causing them to go into guardian mode, or whatever Volvo calls it.
    2008 280 Express Cruiser, 6.2MPI, B3, Pittsburgh, PA "Blue Ayes"
    Go Steelers!!!
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    zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    Volvo guard lol
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    zaverin1zaverin1 Member Posts: 1,672 ✭✭✭
    Velvet guard 
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