This is a bad EGR valve which returned a P0404 trouble code. This one is a Delphi EGR valve that is only a few months old. Really easy to tell when they fail if you have a scanner that will let you control the duty cycle. They make noise and the EGR pintle position is all over the place. Solution is to replace the EGR valve. The P0404 will clear on its own once the new valve is installed.
- 7 ай бұрын
Here's what a bad EGR valve sounds like (P0404)
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