The check engine light come one today, shortly after I started the car.
It was still idling. It has 110K KM. Other than the light being on, the
car run just fine so I drove it home from work. Recently it was a bit
choking at idle, especially after leaving the highway and stopping on a
light. I am aware of PCV valve issue, could it be it? If so, any idea
about the repair cost?