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Home >> Subaru >> 2004 >> Outback L.L. Bean Edition >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) >> Enable Condition
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Enable Condition

Fig 1: Enable Condition Chart
G00896726Courtesy of SUBARU OF AMERICA, INC.

Add the following value every 512 milliseconds.

Fig 2: Intake Air Specification Table
G00896727Courtesy of SUBARU OF AMERICA, INC.