Welcome to the site blacklabel21!

Lets take a look at your codes:

It looks like these two are related. I'd probably start by looking at and probably replacing the purge control valve.

p0445 = Evap. Purge Control Valve Circuit Shorted
p0449 = Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction


I would wait until you get the evap stuff figured out to address this one.

p2610 = P2610 ECM/PCM Internal Engine Off Timer Perf