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Subaru
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2004
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Baja Base, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P1134: A/F Sensor Micro-Computer Problem
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Outline Of Diagnosis
Outline Of Diagnosis
Detect the malfunction of IC communication.
Judge NG when the communication to front oxygen (A/F) sensor control IC is unable.