P0404 OBD-II Trouble Code: Exhaust Gas Recirculation Circuit

code p0404  Pulled codes, only had P0404 exhaust gas recirculation control circuit rangeperformance Searched about the code for 10min or so Truck then This code points to either carbon buildup or a bad EGR valve However that doesn't rule out the following:

Code P0404 refers to Exhaust gas recirculation system --range performance problem--- causes---hose leakage--wiring---EGR valvesolenoid 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

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