Check Engine Light Due to Restricted EGR System: Mazda 626 Muffler & Exhaust

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.

27 people reported this problem

4 comments

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Mazda 626 vehicles with this problem

7 model years affected

Average mileage: 127,988 miles

(106,000 - 170,000)

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Check Engine Light Due to Restricted EGR System on Mazda 626

Problem overview

Mazda 626 vehicles with this problem

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