DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1) Or P0154: Oxygen Sensor Circuit No Activity Detected (Bank 2, Sensor 1): Notes

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Bank 1 refers to bank which includes cylinder 1. Bank 2 refers to bank without cylinder 1. Heated oxygen sensor 1 refers to sensor closest to engine block. Heated oxygen sensor 2 refers to sensor furthest away from engine block.