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Subaru
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2020
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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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Engine Control System (Diagnostics) (3 Of 4)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P1134: A/F/O2 Sensor Bank1 Sensor1 Serial Peripheral Interface (SPI) Communication
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Outline Of Diagnosis
Outline Of Diagnosis
Judge as NG when the A/F sensor microcomputer operation is abnormal.