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DTC P0133 & P0153: Heated Oxygen Sensor: Notes

DTC P0133 & P0153 DEFINITION

DTC Definition
P0133 Heated O2 Sensor (Bank 1, Sensor 1) Circuit Slow Response
P0153 Heated O2 Sensor (Bank 2, Sensor 1) Circuit Slow Response
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.
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