what does code p0404 mean

Asked by Apr 06, 2013 at 04:27 PM about the 1999 Pontiac Grand Am 2 Dr SE Coupe

Question type: Maintenance & Repair

2 Answers

glitch in the EGR valve. Clean and disassemble. replace old vacuum lines with silicone ones. Summit racing has them~

102,185

RockAuto.com sells them but at that price and for what they do, I would be cleaning.

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