So I went to a shop and got my codes read after my check engine light just came on randomly while driving. This what i got

P0501 Speed Sensor Range/Performance
P0302 Cylinder 2 Misfire
P0440 Evap Emissions Control System Malfunction


With the Evap Emissions control, the guy said it couldve happened if you drove with the gas cap not tight. Which I remember doing once. (it was a long night)

With the speed sensor I'm not sure if its the same thing as the Camshaft Position Sensor but is this a big problem?

I'm most worried about cylinder 2 misfire. The check engine light went off randomly after 3 days and the car runs and accelerates fine. I got all my coils and spark plugs changed about 10k miles ago. I'm just afraid I'll be in the mountains this winter and my car goes into limp mode. What would you guys do in this situation?