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Circuit Description

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0130: Oxygen Sensor Circuit (Bank 1 Sensor 1), DTC P0150: Oxygen Sensor Circuit (Bank 2 Sensor 1), DTC P2195: Oxygen Sensor Signal Stack Lean (Bank 1 Sensor 1), DTC P2196: Oxygen Sensor Signal Stack Rich (Bank 1 Sensor 1), DTC P2197: Oxygen Sensor Signal Stack Lean (Bank 2 Sensor 1), DTC P2198: Oxygen Sensor Signal Stack Rich (Bank 2 Sensor 1) .

Fig 1: DTC P0133 & P0153 Chart

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HINT:

Bank 1 refers to bank that includes cylinder No.2.
Bank 2 refers to bank that does not include cylinder No.2.
Sensor 1 refers to the sensor closer to the engine body.