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Subaru
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2017
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Legacy 2.5i Limited
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 16 (Engine Control System (Diagnostics) (P000A To P015D) (H6DO))
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P0030: A/F/O2 Heater Control Circuit Bank 1 Sensor 1
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Execution Condition
Execution Condition
WARNING:
This page is about a different variant/trim than selected.
Secondary parameters
Execution condition
Battery voltage
≥ 10.9 V
A/F sensor heater control duty
> 17 %
Elapsed time after returning from the fuel cut
≥ 20000 ms