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  1. 09-09-2012, 08:23 AM #1
    Bodkin Creek George's Avatar
    Bodkin Creek George
    Bodkin Creek George is offline
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    Sos iac help needed now

    We just removed the IAC valve and found no filter. Removed the other one that had been replaces by certified mercruiser mech and no filter This is an 8.1 2004 370hp MPI Horizon. Is it possible there is no filter? Need answer ASAP.
    Thanks

    George
    George & C.J.
    "CJSTOO"
    2004 340 D.A. 8.1 V. Drives
    "All that is necessary for the triumph of evil, is for good men to do nothing"
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  2. 09-09-2012, 08:25 AM #2
    Kreole Kid's Avatar
    Kreole Kid
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    George, I have the same setup and I have yet to find a filter on mine...


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    Bruce
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  3. 09-09-2012, 08:36 AM #3
    scoflaw
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    Re: Sos iac help needed now

    Not sure on the 8.1, but the small filter is pushed into the throttle body. Take off your flame arrestor to see it
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  4. 09-09-2012, 09:47 AM #4
    Bodkin Creek George's Avatar
    Bodkin Creek George
    Bodkin Creek George is offline
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    Re: Sos iac help needed now

    Thanks. Removed the flame arrester on the throttle body and found filter. Very dirty. All black. Replaced the other one on the starboard engine also.
    George & C.J.
    "CJSTOO"
    2004 340 D.A. 8.1 V. Drives
    "All that is necessary for the triumph of evil, is for good men to do nothing"
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  5. 09-10-2012, 10:41 AM #5
    Bucit's Avatar
    Bucit
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    2005 280 Sundancer 2004 SPD-104 Achilles w/ 8hp Yamaha
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    Re: Sos iac help needed now

    Dirty filters can cause the IAC's to fail prematurely.


    Proud Inagural Memebr of the HOLE IN THE WATER Club!
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  6. 09-11-2012, 12:44 PM #6
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    tcason
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    Re: Sos iac help needed now

    I have been replacing IAC filter in fall when cleaning flame arrestor as part of winterization - they cost about a $1.00 each.
    tcason
    2003 240 Sundeck
    Bravo III - 260 HP 5.0L MPI
    previous: 190 Sundeck future: 280/290 Sun Sport
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