P1404 Chevrolet - where would i located the problem to fix it

Question

How do I fix the problem so my check engine light don't come on for it

Answer 1

Hi there

This code is for the EGR valve. Most of the time the problem is carbon buildup. Usually you can remove the egr valve and clean it up with carb cleaner, then clean the port out as well and it will resolve the problem.