temperature sensor

I have a 2009 Chevrolet Avalanche. I am having trouble locating the cabin air temperature sensor. Not the aspirator that is located in the liner above the driver that looks like a little speaker. It's my understanding that there is a different output air temperature somewhere behind the glove...

2009 5.3L.....With no noticeable performance issues, my check engine would sometimes come on and stay on upon start up, sometimes it wouldn't. It never came on while driving. Using my recently purchased MUCAR CDE900 PRO I got the following 3 codes: P0121-00(Throttle Position Sensor)...

I recently had a problem where my 2004 1500 Z71 (160K+ miles) would occasionally start running rough at low RPM (Idle) and then stall. It would restart and behave OK if it got up to cruising speed. Initially I suspected a possible problem with an oxygen sensor. Correlated with this condition...