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Home >> Subaru >> 2016 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code (DTC) Detecting Criteria >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0037 A/F/O2 Heater Control Circuit Low Bank 1 Sensor 2 >> General Driving Cycle

General Driving Cycle

After starting the engine, perform the diagnosis continuously when engine is low speed.