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  1. #1

    Exclamation 2007 rxp stage 3 exhaust code

    hey i am running a riva stage 3 kit on my rxp i was able to put 5 hrs on it no probloms at all, the next 5 hrs after long runs wouldnt reach high rpms at times and exhaust code-P 1544 would appear, know the next 5 hrs code appears anytime at over 7200 rpms, can run all day at the 6500-7000 rpm range, riva said to flush intercooler i did it was clean problom just keeps gettin worse,any one ever see anething like this??


  2. #2
    Moderator Snoman's Avatar
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    Make sure you didnt pinch off the pissers on the J-pipe with the black coupler..also check and see if any of your hoses are pinched or kinked..
    The only way youll see this code is by a lack of water to the waterbox..
    If your hoses are not pinched and your J-pipe pissers are clear than you may have a clogged IC or one that is not flowing to capasity..

  3. #3
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    +1, I recently fought that battle.. My problem was the one of the two clamps that hold the j-pipe on to the water box had slid down and pinched my j-pipe pissers, The two clamps should be as high as possible.
    Are you running a water strainer inline to your IC? If so make sure it's 3/4" all the way, strainer nipples included.

    Alex

  4. #4
    Moderator Snoman's Avatar
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    Alex,You can take off the bottom of the 2 clamps on the J-pipe..The second one is overkill in my opinion..I took them off both my skis and have had no problems at all...

  5. #5
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    I took the bottom one off too..

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