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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P000A To P015B) (2.5L) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0134 A/F/O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1 >> Execution Condition
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Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Time of heater control duty at 70 % or more ≥ 36000 ms
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