Air/Fuel Learning 1 help Subaru WRX Forum. tesla317. So a few weeks back I noticed my a/f learning 1 has been about -9 lately when cruising. in the past it's always been within 0 and -2. When under load it is around -5 but.

Air/Fuel Learning 1 help Subaru WRX Forum
Air/Fuel Learning 1 help Subaru WRX Forum from www.ccohs.ca

I have been having issues with rough idle/hesitation with my car lately (08 wrx) and its only been getting progressively worse. After some reading i was...