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Home >> Subaru >> 2019 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P1134: A/F/O2 Sensor Bank1 Sensor1 Serial Peripheral Interface (SPI) Communication >> General Driving Cycle

General Driving Cycle

Always perform the diagnosis continuously.