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Old 03-14-2007, 09:40 PM   #1
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MAP based (Speed Density) fuel systems & IAT temps

How large of a factor does the IAT play in a MAP based (Speed Density) system? With the recent warm up, my IAT has shifted from its winter value of 80-90F to a spring-summer value of 100F-130F and I have noticed no change in fuel delivery
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Old 03-14-2007, 09:43 PM   #2
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For hondas the difference is just a few percent in the normal range, I posted up a graph way back when that you can find if you search around.
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Old 03-15-2007, 05:14 AM   #3
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If you'd like, I can email you the section of the OBD manual that discusses IAT influence on the entire system on a Honda.
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Old 03-15-2007, 10:48 AM   #4
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That would be great DaX, sent you a pm
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