LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Subaru
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2023
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Ascent Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostics) (4 Of 4)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P2271: O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2
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General Description
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Component Description
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Component Description
Courtesy of SUBARU OF AMERICA, INC.
(A)
Electromotive force
(B)
Air fuel ratio
(C)
Lean
(D)
Rich
(E)
Theoretical air fuel ratio
(F)
Comparative voltage