P1404 OLDSMOBILE - INTRIGUE

Question

I GET THE MESSAGE P1404 EGR VALVE STUCK OPEN, WHAT DOES THIS MEAN?

Answer 1

P1404 EGR (exhaust gas recirculation)  closed position performance

What can cause this code is the pintle of the EGR getting stuck open which can cause rough idle, You can remove the EGR and clean out any carbon that may have cause this condition if its caused by carbon deposits, A replacement may be required for this solution