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  1. #1

    Join Date
    Jun 2012
    Location
    Waterloo, Ontario, Canada
    Posts
    2

    RXP oil issue limp mode.

    Hey guys,

    Been having an oil sensor problem in my 2005 rxp for about 6 weeks now. Took it into my mechanic and both oil sensors have been replaced and it didn't show any faults on buds. Took it back out on the lake for about 30 minutes and it went back into limp mode and wouldn't rev above 3500. Took it back in and he checked the oil pressure on the ski and it is fine running at 20 psi at idle and i believe 60 above idle.

    It shows no codes on when he hooks it up to the computer with the oil sensor out with the gauge installed. I am going to take my friends ecu out of his ski and hook it up to mine so we can see if the ecu is the problem. Do you guys have any other ideas?

    I have read a lot of forum posts over the past few weeks and the last one I read about it could be some wiring in the harness.

    Any ideas are greatly appreciated!
    Thanks,
    Dave


  2. #2

    Join Date
    May 2006
    Location
    Smith Lake
    Posts
    286
    +1
    2
    OK,

    problem #1 i saw or thought was the oil sensors....But you replaced that already. Soooo???
    The second thing is your oil getting milky?
    Are you currently losing oil on the dipstick?After rides or long rides?
    Does it beep when you ride hard?

  3. #3

    Join Date
    Jun 2012
    Location
    Waterloo, Ontario, Canada
    Posts
    2
    Quote Originally Posted by WannabeGoing80 View Post
    OK,

    problem #1 i saw or thought was the oil sensors....But you replaced that already. Soooo???
    The second thing is your oil getting milky?
    Are you currently losing oil on the dipstick?After rides or long rides?
    Does it beep when you ride hard?
    Thanks for the post wannabe,

    no the oil isn't milky its a nice brown and it doesn't seem like the ski is losing oil, it is between the limits on the stick. When I last rode it was just above the top indicator when the engine was hot. Both times it went into limp mod I wasn't riding too hard, I was only on it for 20 minutes both times then it went in to limp mode.

    The supercharger was rebuilt last year and the ceramic washers were intact when I saw them before the rebuild. It was rebuilt with the 08 rebuild kit, and the supercharger seems to be running strong. Also, ski seems to have good oil pressure.

    Dave

  4. #4
    deansta's Avatar
    Join Date
    Jan 2009
    Location
    Sydney,Australia
    Posts
    782
    +1
    1
    could be the oil switch spring getting stuck in the pto.

  5. #5
    wakejumper48's Avatar
    Join Date
    Sep 2010
    Location
    Florida
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    248
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    pull a lil bit of oil out and add some Lucas oil additive in, about the whole bottle if u can

  6. #6
    Moderator beerdart's Avatar
    Join Date
    Aug 2006
    Location
    CT
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    Sounds like your oil pressure regulator is hanging up. Or your filter is collapsed.

  7. #7
    Primary Language: Sarcasm Pony Racer's Avatar
    Join Date
    Jun 2011
    Location
    RiverShit, Ct
    Posts
    480
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    not saying this is the issue... but i heard from a friend that had a similar problem, on his ski (dont remember the year) a bolt came loose partially blocking an oil passage..
    sometimes he would be fine, sometimes would get a high pressure then go into limp mode.. took several weeks of the ski at a dealership for them to find the problem..

  8. #8
    Chris0060's Avatar
    Join Date
    Sep 2007
    Location
    CT
    Posts
    1,174
    My ski's oil pressure regulator was the cause of similar problem last year. This season I just had oil code pop up again, with limp mode. Slo91 determined it was the oil sensor. Fixed.

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