Replace Oxygen Sensor When Servicing EGR System on Toyota Land Cruiser

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.

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Average mileage: 156,025 (102,153–250,000)
9 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 2005
15 people reported this problem
5 people shared problem details
had to replace both oxygen sensors after check engine light was tripped. bought replacements on Amazon for 1/2 the price of lcoal store and replaced them myself in about an hour.
High Nox, engine light.
Check Engine Light. Both Cats and 02 Sensors needed replacing.
Driving home and truck started sputtering on then turned off. Turns over but won't start
Diagnostic report: 02s2 malfunction. EGR system malfunction. Estimated cost $528.25 We are looking for a better price.
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