Air/Fuel Ratio Gauge
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Air/Fuel Ratio Gauge
I had my a/f gauge installed a while ago and i was just wonderin if its supposed to be goin back and forth from lean to rich rich to lean when at highway speeds and local driving??? i know it stays rich...way toooo rich at WOT. just wonderin..never had or saw an a/f gauge before so i was just wonderin if its normal.
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Re: Air/Fuel Ratio Gauge (gsrhatch530)
It reads just fine when you are not at WOT. When cruising the ECU uses the O2 sensor to control fuel on closed loop mode. It cycles back and forth between rich and lean for emmissions and fuel savings reasons.
Explanation of Closed Loop:
http://www.autoshop101.com/forms/h44.pdf
Standard O2 sensors:
http://www.autoshop101.com/forms/h37.pdf
Explanation of Closed Loop:
http://www.autoshop101.com/forms/h44.pdf
Standard O2 sensors:
http://www.autoshop101.com/forms/h37.pdf
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Re: Air/Fuel Ratio Gauge (DirtyLude)
you probably got a Autometer gage, those gages are worthless.. you need a Greddy AF gage or a Apexi AF gage and a wideband o2 sensor it will be soo much more acurate
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