What is your question?
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What is your question?
2006 Chrysler 300 2.7L. Had Code P0406. Replaced egr valve and spark plugs. Now P0406 code is gone. But now I have code p0403 showing.
What makes this problem better or worse?
Runs fine.
How long has your 2006 Chrysler 300 had this problem?
After replacing egr valve and spark plugs
Could it be a gasket. We replaced all but one. Could not find it at parts stores. It’s the one that goes from egr to passenger side of engine.