Bought a 2014 Camaro SS2. It runs great, except for idle. Tried tuning per the sticky in this forum, but had little change with fair large changes. Messed with PIDs, unable to change much. TPS is hunting. Have some swings in O2 banks that alternate. Definitely rich at idle, noticeable in exhaust. It runs great in all ranges, but idle -> very rough. Occasional 2-1 RPM drop. Any guidance? Did check for vacuum leaks. Attached running tune as bought, and scan at idle. If a longer scan is need, I can record again, let me know what you would want. I would greatly appreciate your help!!! This is my dream car, but the idle is driving me nuts. Sorry, I am new to auto engine tuning, but have been tuning all kinds of equipment for years, so hopefully it comes quick.
2014 Camaro SS2
Long Tube Headers w/ Hi flow cats
Magna Catback
Cold Air Intake
The way it runs suggests it is cammed. Dealer said no. (Ghost Cammed? Don't see an camshaft tuning from stock)
It has definitely been tuned, do not have stock file to start from. Tables are quite different from stock file available in repository (which I did not want to use).