Won't idle and runs rich

Discussion in 'Engine Topic' started by Travisty, Apr 23, 2006.

  1. Travisty

    Travisty Veteran Member

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    Mar 6, 2000
    Omaha, NE USA
    Bringing this post back from the dead again!

    It will idle now. We had some signal issues with the megasquirt at lower rpms that was causing it not to idle.

    But, it still runs too rich. Rich enough that when the motor is cold you don't even have to throttle it to keep it alive while it warms up (no choke). I have toyed with the idle screws quite a bit but they don't seem to make much of a difference. I have them 1/4 turn out and have turned them in all the way one at a time and the idle never drops let alone tries to die. There's no fuel coming out of the boosters either.

    I did try out my other carb, but that was before we fixed the ignition signal and I swapped back to the DP thinking my problem should be gone. :rolleyes:

    Any ideas? Someone local mentioned that maybe the baseplate gasket is leaking. Does that happen often on a newer carb? I suppose I should swap back over to the other carb again to see if that changes it, though I'm almost positive this is a carb issue.

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