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03Alerosil · 06-17-2015, 09:58 PM

I got a P0404 code. 2003 Alero 3.4. I am almost sure its the EGR valve itself being its a flow issue Any other thoughts on this? Anything I should check?

06-17-2015, 09:58 PM	#1
03Alerosil GL Member Join Date: Dec 2013 Location: Minnesota Posts: 593	P0404 EGR flow issue. I got a P0404 code. 2003 Alero 3.4. I am almost sure its the EGR valve itself being its a flow issue Any other thoughts on this? Anything I should check?