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Subaru
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2008
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Outback Base, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0030 Ho2S Heater Control Circuit (Bank 1 Sensor 1)
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Enable Condition
Enable Condition
ENABLE CONDITION
Secondary Parameters
Enable Conditions
Continuous time where all of the following conditions are met
42 seconds or more
Battery voltage
> 10.9 V
After fuel cut
20 seconds or more
Heater current
Operation
Front lambda sensor duty ≥ 35%
Experienced