DTC P1404 Acura
EGR Valve Stuck Closed Malfunction
EGR Valve Stuck Closed Malfunction
Description
Engine started, system voltage from 11-16v, ECT sensor from 176-248, IAT sensor less than 212ºF, Desired EGR valve position is 0%, and the PCM detected the difference between the Actual and Desired EGR pintle position was over 30% for 5 seconds. The test
Cause and Solution
EGR valve sticking or binding (check for deposits on the valve)
EGR valve is damaged or has failed (if the valve shows signs of excessive heat, check the converter and pipes for a restriction)
Video Guide
Diagnostic Info
- DTC Code: P1404
- Brand: Acura