p0404 egr code caused by bad catalytic???

P0404 code after EGR valve swap p0404

Code P0404 usually indicates that there is a carbon build-up somewhere in the lines, or on other occasions, a bad EGR valve

p0404 P0404 -EGR POSITION SENSOR RATIONALITY This is a rationality conflict with pintel position, the PCM does not like the info it is getting  It shows P0404 which I see is a EGR Valve I was looking around alittle and see this might be covered under some federal emission warranty  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

mega game ใหม่ล่าสุด วันนี้ For most makes and models of vehicles, a trouble code P0404 is the result of an improper reading from your exhaust gas recirculation valve