Hi i?m tuning a 1999 firebird with Gen 3 PCM and having problems tuning the idle, but i found out why, desired rpms drops down to very strange numbers like 187rpms , 258rpms 457rpms , but sometimes back to normal., i can?t find out why the pcm is comanding this...
but if i set the rpms in the scanner while logging it sets and stays, and offcourse idles.
attached is the file
thanks Baering
HP Tuner Iceland