DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1) Or DTC P0153: Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 1): Notes
WARNING: This page is about a different car, the 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Bank No. 1 refers to bank that includes cylinder No. 1. Bank No. 2 refers to bank without cylinder No. 1. Sensor No. 1 refers to sensor closest to engine block.