Quote:
Originally Posted by scarceller
The screw for setting mixture is located on the bottom left corner of the Air Meter, it's a 3mm allen key. Turn it clockwise (in) to richen.
If you are handy with a digital volt meter and have a good one available that can read down below 1volt you can also set mixture with a poor man's approach that works well. Basically you unplug the stock O2 sensor and measure the output voltage the sensor is generating with it unplugged. If you are lean that voltage will be below 0.3vdc and as you richen it it will go above 0.7vdc you basically lean the mixture till voltage drops to <0.3vdc and stop. Then you count turns as you richen it till the meter swings up to >0.7vdc and stop. Then turn the screw back lean 1/2 the number of turns, that's aprox. lambda. PM me if you wish to try or need advice.
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I was thinking about this: what's the point of an O2 sensor if the mixture is manually adjustable? Shouldn't the O2 sensor be feeding the appropriate signal to the DME so that it can adjust mixture? I guess I can imagine that this is a coarse adjustment, and then the sensor provides input to fine-tune it. Just curious if someone can explain this. Thanks!