P0404 Exhaust Gas Recirculation Circuit RangePerformance

code p0404  Claim your FREE engine code eraser https: co The P0404 code error comes when the EGR doesn't behave as it should Most of the time, it's because the valve doesn't open Besides the valve

If it is only showing p0404 then that is the signal not being reliable from the egr to the pcm I would firstly fit a blanking plate to the egr P0404 Exhaust Gas Recirculation Circuit RangePerformance Trouble Code Symptoms Causes

This code tells us that the PCM detected the EGR valve is not responding to the commanded position within a given amount of time  Saturn s-series P0404 trouble code EGR cleaning Disclaimer: This video is not meant to be a