03 4TEC SC - Check engine, no code
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  1. #1
    PWCToday Newbie
    Join Date
    Jul 2009
    Location
    Brookfield, WI
    Posts
    10

    03 4TEC SC - Check engine, no code

    I had the check engine come on while riding yesterday. Engine went into limp mode. I rode back to the dock and checked for something obvious. Nothing found. Engine fired back up and rode fine for about 15 minutes, then check engine came on again and went limp again. Restarting on the water...ok for just a minute or two and returned to limp mode. Once I had it on the trailer I checked for codes, but nothing showed (I forgot how to check while on the water).

    I suspect this is a faulty oil pressure switch, but need to be sure. Does the MPEM store codes that can be retrieved w/ BUDS that can't be seen with the onboard check after the DESS key is removed? Just wondering if I need to take it in to have it scanned or if I need to try to get it to happen again on the water so I can view the code?

  2. #2
    PWCToday Regular
    Join Date
    Aug 2008
    Location
    Green Creek, NC
    Age
    69
    Posts
    59

    Re: 03 4TEC SC - Check engine, no code

    i would replace the pressure switch in front of engine first. Cost about $30. and easy to change.

  3. #3
    Top Dog Bionic racing's Avatar
    Join Date
    Aug 2016
    Location
    Idaho/California
    Posts
    1,819

    Re: 03 4TEC SC - Check engine, no code

    Check battery voltage @ 3500 rpm s
    Needs to be below 14.5

  4. #4
    PWCToday Newbie
    Join Date
    Jul 2009
    Location
    Brookfield, WI
    Posts
    10

    Re: 03 4TEC SC - Check engine, no code

    Wow. Old thread. This ended up being a pad ignition coil. Lesson learned...usd OEM ignition parts!

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