What does p2173 mean in throttle actuator control system?
What does p2173 mean in throttle actuator control system? This and related codes ( P2172, P2173, P2174, and P2175) all indicate detected air flow problems. Code P2173 is set by the PCM when high air flow is detected in the throttle actuator control system. This code can be related to a Throttle Actuator Control System malfunction, but it is possible that another issue is setting this code. Why is my throttle position sensor not working? The reason this happens is that the ECM doesn’t get correct information from the TPS as to how much to throttle the car. Idle surging...