Acura P1404: EGR Valve Stuck Closed Malfunction
Is your scanner showing Acura P1404?
No worries. We'll show you what it means and how to deal with it.
Acura P1404: EGR Valve Stuck Closed MalfunctionOVERVIEW
What Does The Acura P1404 Code Mean?
Condition for setting the DTC: 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.
What Are The Potential Causes Of The Acura P1404 Code?
Below are some potential causes of this DTC:
- 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)
- PCM has failed
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Acura P1404, DTCDECODE.