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> Air to Fuel, Runnin Rich
post Mar 27, 2004 - 1:38 AM
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PaulGT



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Hey i just put my air to fuel gauge in and it says im runnin rich as a pig...how do i change this?
 
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post Mar 28, 2004 - 1:27 AM
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abatardi

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QUOTE (SpedToe169 @ Mar 27, 2004 - 6:17 PM)
You can't tune with a stock narrowband O2.  It will tell you if something goes wrong (i.e. you go full lean under boost), but thats it.

you can't tune to stoich on a narrowband. this is pretty impossible. but if you want to tune rich...like 12:1, then keep it above 900mv or so. I use a narrowband for daily driving on my haltech with closed loop setup to richen 20% or lean out 10% based on o2 readout. It works fine, but I only modify fuel maps at idle and low rpm and cruising. I wouldn't rely on this at full throttle by any means smile.gif

In any case, if his AF gauge is pegged at rich all the time it is probably a fault in the sensor.

- aba

This post has been edited by abatardi: Mar 28, 2004 - 1:30 AM

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