Check Engine Light Due to Restricted EGR System on Mazda Millenia
Problem overview
The passages for the Exhaust Gas Recirculation (EGR) system can become restricted or clogged causing the Check Engine Light to illuminate. The EGR valve will need to be inspected and the passages cleaned.
25 people reported this problem
3 commentsMazda Millenia vehicles with this problem
8 model years affected
Average mileage: 103,897 miles
(13,100 - 165,000)
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