ok i have a 2001 9-3 5spd and pretty much for the last month ive had it the engine light periodically comes on and off every week or so by itself. i had my friend mechanic read the codes and he got 3 things that popped up saying a misfire . whenever it comes on it had been when i start it exept i think once. he cleared the codes and said to come back if they come on and he will get the exact code # will i plan on doing today or tomm. please any help/suggestions?