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  1. #1
    diamondwatercraft's Avatar
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    XP DI code issue on (does anyone know what this code usually is?)

    The candoo pro told me I have a P0335 Wrong patter on encoder. The manual says

    Possible causes:
    Damaged sensor, damaged circuit wires, damaged connector, damaged ECU pins. ECU failure. Damaged tooth wheel. Check correct
    rectifier regulator operation.
    Service action:
    Check for 12 volts on pin 5 and 5 volts on 6 and 0 volts on pin 4 of encoder harness connector. Check system circuits 2-6, 2-7, 2-14.


    What is damaged tooth wheel? Is this on the starter or the flywheel?


  2. #2
    SURFnTURF's Avatar
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    The Encoder wheel is on the magneto at the front of crankshaft.
    You may have a bent or damaged tooth .
    Have never used candoo system sorry.

    The encoder wheel can also be inspected for bent
    teeth by the following method.
    Remove magneto cover.
    Install a pointer wire on one of the threaded hole
    of crankcase with the screw as shown in the following
    illustration.
    1. Pointer wire
    2. Screw in the threaded hole
    Rotate the flywheel one time and adjust the pointer
    so that it slightly touches the highest tooth. Using
    a feeler gauge, check and measure the clearance
    between each tooth and pointer
    The maximum allowed difference between teeth
    is 0.15 mm (.006 in). Otherwise, straighten the
    tooth or replace the encoder wheel.
    Properly reinstall cover

  3. #3
    There are three causes for this fault. The first one is what Surf talks about (bent or damaged encoder tooth) . The second is a problem with the voltage regulator/rectifier; if it puts out noisy output, it can trick the MPEM to think it has this error. The third cause is the most expensive one. If the front crankshaft bearing has too much play, it will throw this fault.

    The voltage regulator one is the easiest to diagnose and fix. Usually measuring AC voltage on the DC line will show this (shouldn't be more than about 100 millivolts AC while revving the engine) It can be within spec and still have spikes that will throw this fault, so swapping out the regulator is probably a good idea if AC looks OK.

    The other two causes mean pulling the front cover to diagnose.

  4. #4
    diamondwatercraft's Avatar
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    Do either of you think, since I have 3 other faults that have to do with the tps on both sides, and a intake fault, that I could have a bad MPEM? I have a new rectifier and also a very strange starter. It almost sounds like it is cranking the wrong way and then reverses. I also suspect a shorted or rusted starter.

  5. #5

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    Jim,

    my guess is water behind the front cover-- and lots of rust...

    Let me know if I am right

  6. #6
    SURFnTURF's Avatar
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    I am thinking the front bearing has failed and the encoder wheel is running out of balance and throwing these codes. This engine ingested water of late?

  7. #7
    diamondwatercraft's Avatar
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    I have been through my xp di this year from top to bottom after a cooling line came off the hull (june) and I did not notice it. I ended up taking on water and sinking. I dried it out of the engine but forgot the air pump. This started my nightmare. I continued to try and find the issue this year and then realized the air pump. At times it would run decent, but most of the time it would not. I continued to have coding issues time and time again. So last night I ran my final test and concluded, bad MPEM. I swapped the mpem on my gtx with the xp and my gtx, which has been code-less all year, codded within 30 seconds. Now I am looking for a new DI mpem. If you know of one, let me know.

    thanks for all your responses
    Jim

  8. #8

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    Quote Originally Posted by diamondwatercraft View Post
    I have been through my xp di this year from top to bottom after a cooling line came off the hull (june) and I did not notice it. I ended up taking on water and sinking. I dried it out of the engine but forgot the air pump. This started my nightmare. I continued to try and find the issue this year and then realized the air pump. At times it would run decent, but most of the time it would not. I continued to have coding issues time and time again. So last night I ran my final test and concluded, bad MPEM. I swapped the mpem on my gtx with the xp and my gtx, which has been code-less all year, codded within 30 seconds. Now I am looking for a new DI mpem. If you know of one, let me know.

    thanks for all your responses
    Jim
    Jim,

    There is 1 on ebay right now.

    http://cgi.ebay.com/ebaymotors/03-04...item19c9959290

  9. #9
    diamondwatercraft's Avatar
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    I saw that there is a few on there. The prices they are asking are a bit much right now. I really want to find a xp di with a blown engine. Then I can have more parts than just a mpem. Thanks for the heads up. I will keep on looking.

  10. #10

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    I saw this listing the other day:

    http://cincinnati.craigslist.org/boa/2645979485.html

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