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  1. #1

    P1116 Engine Error - 2008 Speedster 150 /215 Supercharged

    I purchased a used 2008 Speedster 215 Supercharged. The first time I took it out I got a P1116 error code. The coolant tank had overflowed. I took it to Seadoo Dealer and they said it was bad Water Pump gaskets so they replaced them. I took it back out had same problem so I replaced temperature sensor. I took it out for about an 1-1/2 hours and it was fine. I took it out yesterday for about 3 hours and it was fine and then I got the engine code flashing and the P1116 code again. As I was taking it back to shore I tried to go faster but even when I push the throttle full the boat still stayed at idle speed. When I got to shore I found the engine coolant cap overflowed again. Does anyone have any idea what is going on with my boat?


  2. #2

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    Have you ever seen black little things in the coolant tank? I'm guessing you have a blown head gasket or thermostat is bad.

  3. #3

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    Also maybe the dealer did not get all the air out of the cooling system and you just over heated again.

  4. #4
    I replaced the temp sensor could the thermostat still be bad?

  5. #5

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    Quote Originally Posted by papasmurf View Post
    I replaced the temp sensor could the thermostat still be bad?
    The Thermostat is just like what in a car sometime they just stop working and get stuck.
    in the boat it would be pretty easy to pull the plastic thermostat housing off and take a look at it.

  6. #6
    ken02766's Avatar
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    The thermostat may be starting to stick only half way open.

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