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1999 Evinrude 50 hp 4 stroke no Spark

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  • 1999 Evinrude 50 hp 4 stroke no Spark

    I have no spark, no tach, engine rolls over fine , have compression, have 12v to high press fuel pump, (I am replacing pump as it froze up),
    have 12V at injectors, coils, hp fuel pump with key on (power relay working)
    Have 12v at B5 and B2 at EMM
    Have Grd at A2, A6, B3, B6, C10, C11, D9,

    No Codes all 4 lights light up and then go out on Tach
    New oil and filter
    All sensors have proper resistance and or Voltage per manual at Emm connectors


    Update replaced Hi press Fuel pump, cycles for less than 10 seconds with key on as it is supposed to and guess what I now have a spark, a weak spark, don't expect it to jump a real large gap it won't but it will light up a in line spark tester and run the engine, will muff test tomorrow.
    Last edited by Rickfa; 05-26-2013, 09:53 PM. Reason: update info

  • #2
    engine runs fine with muffs on the spark is not what you would expect with a coil on plug system, have a screech noise, now in forward after about 5-30 seconds will start new thread for that.

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