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fuel/air mixture revisited. 200 1977

uid 27's pic
posted by  Art Benstein on  Sun May 26 02:37 CST 2002
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

>How do you adjust the mixture?

Right now I'm not the guy to ask -- I stick a 3mm allen tool in the airflow sensor mixture screw and back it out a quarter turn, remove the tool, blip the throttle and quit backing out when the idle rpm drops. Then I start enriching it a quarter turn at a time to find the range of adjustment. My strategy is to leave it a bit to the rich side of the center where the rpm is highest. This is NOT the correct way to set mixture; the correct way requires a CO analyzer, like it describes in the green manual. My strategy may change considerably when I return from the emissions test!

Click the envelope to send me an email, and I'll reply with a page from another manual that goes into more detail.

Fact is, this mixture adjustment is most relevant to idle. Gas mileage for idle is zero anyway. Using a lot of gas could be caused by a leaking cold start injector or fuel pressure being way out of whack.

My daughter likes the car in your picture.
--
Art Benstein near Baltimore






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