Question about Acura CL
Yes you did
PO 401 -- is an egr valve, you could have
bought when you got home, at the local auto
parts store for $90.00 & installed yourself
You never clear any codes or dash check lights
They are used to look up codes & diagnose
OBD2 System issues.
NOTHING goes away.
Those dash lights have been on all
vehicle for 30 years & indicate you have
a sytem malfunction somewhere.
Posted on May 23, 2011
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Posted on Jan 02, 2017
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