My 2009 Fit has been getting a lot better MPG lately. We are having a cooler temps, and it has gone up from 28-29 to 35 over the past few tanks. Runs perfectly happy otherwise. Curious to know, does the '09 physically have an Intake Air Temperature sensor? Or is this function handled by either the Mass Air Flow, or Manifold Absolute Pressure sensors? Might be worth changing it just because, as part of a basic tuneup