error code p0401 check engine light on for a 2-3 days then off for 2-3 days.

What is your question?

changed the egr valve but it came back on after a few days. any advice?

elenabenton in Maricopa AZ

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May 13, 2014

·

2 Replies

Popular Answer
pushrodon May 13, 2014

Have a mechanic diagnose egr system componets with a proper scanner......or drive it on!

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ceazeon May 16, 2014

need to change egr vsv located under intake manifold

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