Car Problem Reports

Toyota Tercel Replace Oxygen Sensor When Servicing EGR System

Toyota Tercel Problem
12 Reports
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999


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.

  • Visitor, , 82,000 mi

    The check engine light came on after EGR servicing. After diagnosing the issue, found the O2 sensor was plugged.

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