The car has been idling funny at start of car for very long time (in late fall and winter) ... Previously used to stall all the time while driving and coming to a stop... Also used to sputter intermittently, especially bad in cold weather... Check engine light has been on for a while now... Car is more driveable now since I got fuel filter changed along with air filter on T-giving weekend... Also they said the throttle body was "disgusting" ... They cleaned that too...Since it is close to the IAC, I think the cleaning has had a positive impact ... Still starting is a nightmare after it sits for a while... The only code that has come up in the past was a CAT code.

Thx.