Pontiac Montana P0505: Idle Air Control System- Malfunction

P0505 is an OBDII code that deals with the idle air control system in the Pontiac Montana.  It’s a generic code, which means that it has the same meaning for the Montana as it would any other vehicle (Montana or not). P0505:  Idle Air Control System:  Malfunction When P0505 is triggered, it is typically caused … Read more