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IAG Bosch AFD 2025 BK Throttle Body Calibration


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Replaced the oem Subaru N14 throttle body with the bigger IAG Bosch 82mm one,

Tuned the engine, everything runs great except that idle speed is high about 2000rpm and I can't seem to close the throttle angle less than 1%

The only thing that was left to do is to set the idle ignition timing to -10 Degrees to lower the idle speed to 1100-1200rpm but i feel the coolant overheating...

Do you have a correct calibration for this throttle body ?



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