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 (Single Page)
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Engine Performance
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System
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Engine Control System (Diagnostics) (1 Of 4)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P0134: A/F/O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1
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General Description
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Component Description
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Component Description
Courtesy of SUBARU OF AMERICA, INC.
(A)
Electromotive force
(B)
Air fuel ratio
(C)
Rich
(D)
Lean
Courtesy of SUBARU OF AMERICA, INC.