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WRX STI
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Engine Control System (Diagnostics) (P000A To P015B) (2.5L)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P0141 O2 Sensor Heater Circuit Bank 1 Sensor 2
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Component Description
Component Description
Fig 1: Rear Oxygen Sensor Heater Component Location
Courtesy of SUBARU OF AMERICA, INC.
Courtesy of SUBARU OF AMERICA, INC.