Hi Scotty,
I own a 2012 Subaru Forester X premium with a manual transmission. The engine stalls out when I depress the clutch as I'm slowing down to come to a stop. when i shift into neutral, the rpm drops down to about 300 rpm before bouncing back up to around 700 which is the normal rpm at idle
Scan for codes and live data. Clean throttle body and MAF sensor, check spark plugs, check for vacuum leaks.
No codes, short term fuel trim is 0%, long term -1.8%. I'll update after cleaning the MAF sensor and throttle body. If that doesn't solve my issues spark plugs are next