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    1988 Merc 3.0L 2 barrel carb won't idle

    My son and I have a 1988 Mercury inboard/outboard 3.0L gas engine with a 2 barrel carb (tag 1389-9562)that starts easy, runs fine above 3000 rpm but will only idle if I hold the choke almost (2 or 3 millimeters) closed. It ran fine last year. I've put in new float and new spring jet in base of...
  2. S

    1988 Merc 3.0L 2 barrel carb won't idle

    My son and I have a 1988 Mercury inboard/outboard 3.0L gas engine with a 2 barrel carb (tag 1389-9562)that starts easy, runs fine above 3000 rpm but will only idle if I hold the choke almost (2 or 3 millimeters) closed. It ran fine last year. I've put in new float and new spring jet in base of...
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