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Subaru
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2015
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Outback 2.5i
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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 (H4DO)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1)
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General Driving Cycle
General Driving Cycle
Perform the diagnosis only once at a constant vehicle speed of 40 km/h (24.9 MPH) or more.