Having problems with your 1999 Acura 3.5RL ?

1999 Acura RL check engine light code 0401 EGR valve insufficient flow and code 0420 Catalytic conveter inefficient

\015 How much would it cost to replace the EGR valve and the CAT Converter.\015 Posted / edited by AnonymousUser on : 19-08-2019

Answers :

Sounds like a bad egr valve.
Repair Help & Product Troubleshooting for 1999 Acura 3.5RL

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