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2017
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Forester 2.0XT Touring
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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 15 (Engine Control System (Diagnostics) (P2101 To U171F) (H4DO))
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P2270 O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2
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Component Description
Component Description
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Electromotive Force And Air Fuel Ratio Graph
Courtesy of SUBARU OF AMERICA, INC.