If you have time, I'd recommend checking the serpentine belt, hoses, change air filter, and maybe clean the throttle body and intake boots.
https://www.pelicanparts.com/techarticles/Boxster_Tech/28-FUEL-Throttle_Body_Cleaning_-_Boots/28-FUEL-Throttle_Body_Cleaning_-_Boots.htm
Also, I've read that the spark plug coils are prone to cracking. Maybe give them a look.
Good luck!