M50 Misfire Help

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  • Appleseason
    Advanced Member
    • Jan 2017
    • 124

    #1

    M50 Misfire Help

    Hi R3v,

    I have an M50 swapped car, and have been trying to diagnose a misfire, I've tried everything. Today I swapped ECU's and it still misfires, I've changed injectors, spark plugs, coil packs, and even the CPS, and nothing seams to change the engine misfire. It is currently misfiring on cylinders #3 and #6. It is also worth mentioning that there is no o2 sensor plugged in, as the exhaust is not done. Is there anything else that could possibly be the problem, this is very stressful as the E30 picnic is coming up.
  • Appleseason
    Advanced Member
    • Jan 2017
    • 124

    #2
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