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WRX Premium, Standard Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (WRX)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P1134 A/F/O2 Sensor Bank1 Sensor1 Serial Peripheral Interface (SPI) Communication
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Outline Of Diagnosis
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Outline Of Diagnosis
Judge as NG when the A/F sensor microcomputer operation is abnormal.