Change knock sensor (Mercruiser 5.0 MPI)

Discussion in 'Mechanic Recommendation Forum' started by Memike, Aug 12, 2019 at 7:32 AM.

  1. Memike

    Memike New Member

    21
    Nov 11, 2018
    Sea Ray Sundancer 240
    Mercruiser 5,0L MPI
    Hi.

    Anyone in here who knows where the knock sensor is placed on a Merc 5.0 MPI engine from 2002. Can't find this in the manual or when I search on google.

    /M
     
  2. BillK2632

    BillK2632 Well-Known Member GOLD Sponsor

    Jun 25, 2009
    Lake Norman, NC
    1999 185 Bowrider,
    Mercruiser 4.3, Alpha I
    Look on the STB side of the block in front of the starter.
     
    Memike likes this.
  3. Ididntdoit

    Ididntdoit Well-Known Member GOLD Sponsor

    Dec 5, 2007
    Newport, RI
    300 Sundancer
    5.0MPI Bravo III
    on my '05 mpi its just above and forward of the oil filter boss on the block (forward of the pressure switches)
     
    Memike likes this.
  4. BillK2632

    BillK2632 Well-Known Member GOLD Sponsor

    Jun 25, 2009
    Lake Norman, NC
    1999 185 Bowrider,
    Mercruiser 4.3, Alpha I
    What makes you think you need a new knock sensor - those hardly ever go bad.
     

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