Reply To: Galloping QD 24

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June 23, 2021 at 2:21 pm #241046
Don
Participant

    US Member

    Well, the fuel pump could cause an issue like this, but not all that likely….Try pumping the fuel line primer bulb while the engine is misbehaving..Suspect a fuel delivery issue if pumping the fuel bulb helps reduce the issue. The other possible fuel pump issue might be a leaky fuel pump diaphragm that is flooding one cylinder. But, this would usually show up at all speeds, and the engine wouldn’t idle very well at all..
    Does the engine idle OK, how does it run with at WOT?