What causes my car to start BT not idle?
What causes my car to start BT not idle? Originally Answered: What causes my car to start BT not idle? If that is start but not idle it can be a number of things, the idle air control device/throttle actuator control it electronic throttle body, carbon/crud buildup on throttle blades. Are simple issues. What to do if your car won't hold idle? Check the idle air control. Looks similar to a C battery and its black on the throttle body. Pull it off clean it really really good with carburetor, or brake cleaner. It may be gummed up or stuck...