They are important but the calibration does its job. And if you want to read them, you just need a volt meter to measure ohms. Its a GT500 sensor and the ohm to temp conversion is readily available.As important as true IAT's are you would think we would have a way to read them by now, especially with what we have invested in this system. :(
There are also N-Gauge, PLX, HP, SCT.....
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