Engine Code P0404 - Tuning & Modifications

Fault Code P0404 - EGR Valve - p0404 P0404 fault code This code refers to the EGR valve and its performance On the code reader it refers to 'A'control circuit Does anybody know p0404 For most makes and models of vehicles, a trouble code P0404 is the result of an improper reading from your exhaust gas recirculation valve

p0404 Saturn s-series P0404 trouble code EGR cleaning Disclaimer: This video is not meant to be a