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  1. #1

    2007 RXP not firing on cylinder 3

    Have a 2007 RXP 215. Engine is not running on cyl 3. Coil staticly fires, but when I have that coil and plug out of the motor with the plug grounded, it fires once at startup and that's it. Changed CPS and ECU with no change. Any ideas?


  2. #2
    SELF27's Avatar
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    Have you Tryed switching coils to different cylinder. Next ohm wires from coil connector to ECM connector.

  3. #3
    Same problem i had on my 2010 rxp-x 255.. Its the ecu.. replace it and it will be fine..

  4. #4
    wotxxxsd's Avatar
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    He said he changed the ecu.
    I'm thinking the coil pack.

  5. #5
    captain slow Turbo Retro's Avatar
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    Emm.. i had a similar fault, try checking resistance on injector coils between all 3 cylinders.. i had a intermittemt problem of oem one failing once engine warmed up.

  6. #6
    Tried another ECU-same results.

    Switched coils from other cylinders and same problem.

  7. #7
    captain slow Turbo Retro's Avatar
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    I'm talking about fuel injectors..

  8. #8
    wotxxxsd's Avatar
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    Everything on your ski is 7 yrs old.
    Probably time to start replacing simple stuff and hopefully your issue will be fixed.
    A 7 yr old high performance ski needs gradual updates to things in order to keep it in tip top running condition.

  9. #9
    To much is never enough Badvgood's Avatar
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    Do you have a donner ski there as you say you have swapped the ECU and coil packs over? If so swap the engine harness over and try.

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