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Home >> Subaru >> 2016 >> Forester 2.5i, Eng CD FB25BA, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (H4DO) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2196 O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 1) >> Execution Condition

Execution Condition

Secondary Parameters Execution condition
Battery voltage ≥10.9 V
Barometric pressure > 75.1kPa (563mmHg, 22.2inHg)
Intake air amount ≥6g/s (0.21oz/s)
Rear oxygen sensor sub feedback Execution
Rear oxygen sensor output voltage - Feedback target voltage -0.2V - 0.1V
or
Rear oxygen sensor sub feedback compensation coefficient
Minimum value
or
Rear oxygen sensor sub feedback compensation coefficient
Maximum value