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Fuel Trim Adjustments with EFIE
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safety steve Offline
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Post: #1
Fuel Trim Adjustments with EFIE
Does anyone know how to tune in the fuel trims? My short term is around (-10) and my long term is around (+15). From what I have read they are typically in the same polarity range and the goal is to be as close to zero as possible. I have been playing with my MAP and Upstream digital adjustment, but have had no luck.
04-27-2011 08:50 PM
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mike Offline
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RE: Fuel Trim Adjustments with EFIE
You should probably just be treating all of your sensors. Turn the MAPe off, and get EFIEs on your downstream senors(s). You should start to have joy. Then with some adjustment you should reach your mileage goals.

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04-29-2011 04:53 PM
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