What is the EGR valve on a Ford Explorer?
What is the EGR valve on a Ford Explorer? They are the EGR Valve, Differential Pressure Sensor, and the Actuator Solenoid. P0401 is a general code, which means that regardless of the year (1996+ anyway) and the model, it’ll have the same meaning regardless of which manufacturer built the vehicle (Ford Explorer or not). Why is the Ford dpfe sensor and EGR system important? To do that, they have developed exhaust gas re-circulation (EGR) valves and sensors to detect how well the EGR valve is working. The sensing portion of the system is important because the exhaust contains soot, and...