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  1. #1

    Default Mercruiser 454 will turn over but will not start

    I have an 89 baja with a 454, this weekend it started fine and went out on the water and turned it off then would not restart. I have plenty of battery power. Then engine turns over but will not start. Seems like it is getting fuel but no ignition. I need some place to start if anyone has any idea.

  2. #2
    Join Date
    Jun 2006
    Location
    Spotswood, NJ, USA
    Posts
    4,905

    Default Re: Mercruiser 454 will turn over but will not start

    man overboard switch, see if you have 12V at the + side of the coil. ign fuse under dash

  3. #3
    Join Date
    Jul 2008
    Location
    Northboro, Ma, USA
    Posts
    5,369

    Default Re: Mercruiser 454 will turn over but will not start

    Check for spark at plugs or coming out of the coil wire.

    If none then need to do the ignition test procedure.

    will post it if you need it
    Jack
    Mass.

  4. #4

    Default Re: Mercruiser 454 will turn over but will not start

    Quote Originally Posted by kghost View Post
    Check for spark at plugs or coming out of the coil wire.

    If none then need to do the ignition test procedure.

    will post it if you need it
    Tried switch that did not fix I don't seem to be getting any spark. No fuze under the dash on this year model

  5. #5

    Default Re: Mercruiser 454 will turn over but will not start

    Tried switch no luck, there is no fuze on this year model. Seem to be getting fuel but no spark

  6. #6
    Join Date
    Jun 2006
    Location
    Spotswood, NJ, USA
    Posts
    4,905

    Default Re: Mercruiser 454 will turn over but will not start

    make a jumper to go from the +battery to the +side of the coil. see if it runs. remove the jumper to kill the engine and report the results

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