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2018
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Forester 2.5i, Automatic CVT Trans
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostics) (P000A To P015B) (H4DO)
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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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Execution Condition
Execution Condition
Secondary parameters
Execution condition
Battery voltage
= 10.9 V
Elapsed time after starting the engine
= 1000ms
A/F sensor heater control duty
= 70%
A/F sensor element impedance
= 82O
Rear oxygen sensor heater control duty
< 70%