Air Fuel Ratio question..
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Staging Lane
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Join Date: Sep 2011
Location: El Paso, TX
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Air Fuel Ratio question..
I got my VE and power enrichment pretty much laid out. Durring the day I noticed my wideband is reading about 12.5 WOT, while at night it is about 13.2. I would guess that this is do to DA and IAT. Thought the computer would compensate to stay the same. Any ideas why there is a night and day difference (excuse the pun.. lol)?