MSefi.com read only forum (Jan.15,2018)

I'm thinking that you might want to make your own IAT sensors. From what I can figure, the GM sensor is just a run of the mill NTC thermistor with a B-constant of about 3975 (here's a challenge: first one to confirm or refute this gets a nickel :) ), and resistance of 3.2k ohms at 25C. Looking on ...