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Subaru
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2016
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Forester 2.5i, Eng CD FB25BC, Standard Trans
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls (Diagnostics) (H4DO)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P014C O2 Sensor Slow Response - Rich To Lean (Bank 1 Sensor 1)
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Execution Condition
Execution Condition
Secondary Parameters
Execution condition
Battery voltage
≥ 10.9 V
Closed loop control of 3000ms or more with main feedback
Operation
Engine speed
≥ 1000rpm
Intake air amount
≥ 10g/s (0.35oz/s)
Barometric pressure
> 75060.3Pa (563mmHg, 22.2inHg)