P0403 = EGR Flow circuit malfunction.
Trouble code P0403 means:Exhaust gas recirculation circuit malfunction
Trouble code P0403 means:Exhaust gas recirculation circuit malfunction
P0403 Exhaust Gas Recirculation Circuit Malfunction
Trouble code P0403 means:Exhaust gas recirculation circuit malfunction
Trouble code P0403 means:Exhaust gas recirculation circuit malfunction
Trouble code P0403 means: Exhaust Gas Recirculation Control Circuit
Trouble code P0403 means: Exhaust Gas Recirculation Control Circuit
Trouble code P0403 means: EGR Control Solenoid Circuit Malfunction
Egr solenoid circuit malfunction
Trouble code P0403 means: Exhaust Gas Recirculation Control Circuit Replace the EGR valve
It is a cylinder misfiler on cylinder #3. Many times it is a defective coil-on-plug (COP) but not always