Quote:
Originally Posted by Hugh Mongus
Air/fuel mixture screws have nothing to do with driving. They only affect the idle mixture.
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So then explain to me how adjusting the idle mixture screws will make an engine run lean or rich, if they aren't adjusted properly? I had a lean condition and did nothing but tune it with the vacuum gauge and adjusting the idle mixture screws and the problem was solved. I'll agree that a no load situation won't feel different, but you can sure tell under load of your lean or fat on your mixture.
I apologize if I don't understand the problem. I was simply trying to give a suggestion based on personal experience.