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IAT Fuel Trim -4% per 10°C


essb00

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Good day, 

It seems that the recommendation -4% per 10°C rise from 20°C is too much as IAT temp in city traffic of tropical regions easily shoots upwards of 70°C.
My VE table getting more than 100 even at partial throttle, and CLL keeps getting max clamp not reaching target AFR.

What values should I instead use in IAT fuel trim table?

 

Edited by essb00
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1 hour ago, Adamw said:

IAT Fuel correction should be turned off for modelled fuel equation.  The air density change due to charge temperature is already taken care of in the fuel model.

 

 

Thanks... :) That's why....
I have now turned off IAT Fuel Correction.

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