Problem overview
Over the time the exhaust gas recirculation (EGR) system may become plugged with debris, the oxygen sensor may also be getting slow or 'lazy' around this time. When servicing or cleaning the EGR system, it is a good idea to replace the oxygen sensor because it works in tandem with the EGR system.
13 people reported this problem
0 comments
Toyota Corolla vehicles with this problem
8 model years affected
Average mileage: 143,500 miles
(135,000 - 152,000)
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