I need answers or information on this please and thank you?

I am 17 and live in Royersford Pennsylvania last night me and a few friends were sitting im my friend s car he is 16 and was driving past curfew there were 2 other people in the car over 18 they were drinking I was not, a cop drove through my neighborhood and did breathalizers on everyone I didnt have an alcohol level but I was out past curfew what fines or penalties do you think I will get also this is really bugging me out if anyone has advice so I dont feel as bad about this that would be very helpful Also we were not driving we were just parked at the end of my circle