Well I have a 2001 Impreza RS. and it has The check engine light is on. The codes were
P0447 Evaporative emission control system vent control low input
P0328 Knock sensor circuit high input.
Car's Idle is low a little low, a lil sluggish, but mainly when ac is on. Im lost as for this is my first subaru and Im used to Hondas. What should i check, ext. any help is greatly appriciated. I just bought this car 2 weeks ago and im low o money for the next month.