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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (1 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0141: O2 Sensor Heater Circuit Bank 1 Sensor 2 >> General Description >> Execution Condition
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Execution Condition

Secondary parameters Execution condition
Battery voltage 10.9 V or more
Rear oxygen sensor heater control duty 4% or more
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