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You really want to know the relationship between IAT and intake temperature in your ECU before doing this. My car has IAT vs Ignition Timing tables in the ECU, but the OEM tables only retard timing above intake temps of 40C. At all temperatures below 40C, there is no adjustment. This means that unless its really hot outside, fudging the IAT sensor calibration is not going to do anything but possibly mess with your AFRs.
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Last edited by twj347; 10-20-2018 at 11:51 AM..
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