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P0401 egr insufficient flow replaced oxy sensor runs 300 miles ck eng lite on 96 acura tl?
Wiki User
∙ 12y ago
If you have an egr valve failure why are you replacing th oxygen sensor? Most likely the EGR valve assembly is blocked or partially blocked. Often they build up exhaust deposits on the EGR valve and ports.
Wiki User
∙ 12y ago
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Acura mdx 2001 p0401?
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
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Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
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No
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go to acura-legend.com search the forum
