Originally Posted by
HATEHPTUNERS
Also, you could try logging IDLE air desired, dynamic air, IDLE COUNTS, throttle follower, throttle cracker, and any other airflow channels that you can log that could potentially be active at or returning to idle. If the extra air that is causing that idle increase is not a result of the computer commanding it... What you are trying to find is if that extra rpm increase is a result of something in the tune. If you can't find that the PCM is adding the extra air.... then you will have to look elsewhere. What type of TB are you running again?