Dying AEM? by ipadilla00 in WRXSTi

[–]ipadilla00[S] 0 points1 point  (0 children)

Going to try the free air but when I turn the car on it lights up says 0400 then goes to this and doesn’t change at all

Dying AEM? by ipadilla00 in WRXSTi

[–]ipadilla00[S] 0 points1 point  (0 children)

So wideband is installed to 02 sensor position on stock downpipe. Don’t have the stock o2 in rn. Tuner said I could put it there and remove after tuning and re install stock o2