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2019
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WRX STI Limited
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Repair and Diagnosis
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Different variant/trim
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Section 1 (Engine Control System (Diagnostics) (Except For STI) (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
WARNING:
This page is about a different variant/trim than selected.
Judge as NG when the A/F sensor microcomputer operation is abnormal.