What does code po403 mean?
What does code po403 mean? engine exhaust gas recirculation P0403 is an OBD-II generic code that indicates that the engine control module (ECM) has detected the engine exhaust gas recirculation (EGR) circuit has malfunctioned. The ECM detected a short or open circuit in the EGR vacuum control solenoid or wiring to the solenoid. What do you need to know about the p0403 code? Today, you’ll learn everything you need to know about the P0403 code: exhaust gas recirculation (EGR) circuit malfunction. 1 What Is the Code P0403? 2 What is the Relationship Between the EGR and Code P0403? 3 What...