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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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Testing & Diagnosis
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO U5 (PZEV))
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P0037: Ho2S Heater Control Circuit Low (Bank 1 Sensor 2)
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General Driving Cycle
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
General Driving Cycle
Perform the diagnosis continuously after engine starting.