Faulty Exhaust Gas Recirculation (EGR) valve
Faulty Exhaust Gas Recirculation (EGR) valve solenoid
Exhaust Gas Recirculation (EGR) valve carbon blockage
Engine Light ON (or Service Engine Soon Warning Light)
EGR Valve Stuck Closed is the generic description for the P1404 Acura code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1404 Acura OBDII code.