Check Engine Light Due to Restricted EGR System on Mazda Millenia

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.

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Average mileage: 103,897 (13,100–165,000)
8 model years affected: 1995, 1996, 1997, 1998, more1999, 2000, 2001, 2002
21 people reported this problem
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problem details
1998 Mazda Millenia 103,000 mi,
check engine light on, cleaned egr valve cleaned. Cured
1998 Mazda Millenia 165,000 mi,
check engine light comes on and ,Scan could not figure out what error code is that light for ....
2002 Mazda Millenia 55,000 mi,
Had lines cleaned several times still comes back within the week.