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Old 05-10-2019, 09:13 AM   #79
alexiskai
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Join Date: Apr 2018
Location: Mebane NC
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Default Re: Sudden rough running, out of ideas

Quote:
Originally Posted by 30 Closed Cab PU View Post
You did not mention if you adjusted/tuned the new Carb using the carb idle screw and Air mixture screw.

Not uncommon to have do this with a new carb.
I did noodle with the idle screw and the GAV, but none of my adjustments seemed to make a difference. Keep in mind this issue existed with the old carb too. The Bert's carbs are road-tested before shipping, so I think most likely the problem is something "carb-adjacent," e.g., poor fuel flow at idle, very small leak in the intake manifold, etc. I'll keep poking at it.
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