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2005
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Outback R VDC 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 9 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO))
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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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Diagnostic Method
Diagnostic Method
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Identifying Diagnostic Method
Courtesy of SUBARU OF AMERICA, INC.