P2189 Mercury Villager: Lean Condition at Idle (Bank 2)
P2189 is a DTC code that can occur in your Mercury Villager. It indicates the air fuel mixture is too lean at idle, specifically in bank 2 (we’ll cover how to find bank 2 later). Its is different from the much more common P0174, which indicates that bank 2 is lean at any engine speed. … Read more