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.
Replace Oxygen Sensor When Servicing EGR System on Toyota Pickup
Average mileage: 218,000 (218,000–218,000)
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1991 Toyota Pickup218,000Visitor
i stil have not found da problem it has no power ive replaced everthing but da mass air sensor could someone help me its a 3.o efi automatic 4 wheel drive emailis email@example.com thank u
Has a slight miss when idling. Also, idle fluctuates up and down.
...re for NOX. If the EGR system is equipped with an EGR temperature sensor it will trigger a Check Engine Light for improper EGR flow. The repair is to clean out the EGR passages and the EGR Temperature s...