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Old 01 Dec 2020, 10:05 pm
pdbrains pdbrains is offline
Young Cruiser
 
Join Date: Aug 2007
Posts: 93
Default Re: Air/fuel Gauge Question

You have a narrow band sensor. Unless you have a wide band sensor the gauge will not really be accurate for air/fuel ratio and will not serve any purpose except to tell you if you are really lean or rich. The narrow band sensors switch around an air fuel ratio of 14.7:1. Since you have a catless down pipe it should have a bung to add a wideband sensor. Do that, and at least you will have a gauge that you can tune with. Unless you are just looking for just a gauge with nice flashing lights. If you want that just splice the narrow band gauge into the O2 sensor wiring.
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