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Sensor voltage detection monitor (Lean side malfunction P2195, P2197) TYPICAL ENABLING CONDITIONS Sensor voltage detection monitor (Rich side malfunction P2196, P2198) TYPICAL ENABLING CONDITIONS Sensor current detection monitor (P2195, P2196, P2197, P2198) TYPICAL ENABLING CONDITIONS TYPICAL MALFUNCTION THRESHOLDS Sensor voltage detection monitor (Lean side malfunction P2195, P2197) TYPICAL MALFUNCTION THRESHOLDS Monitor runs whenever following DTCs not Sensor 2) Time after engine start 30 seconds or more A/F sensor status Activated Fuel system status Closed-loop Time after engine start 30 seconds or more A/F sensor status Activated Fuel system status Closed-loop Battery voltage 11 V or more Atmospheric pressure 76 kPa (570 mmHg) or higher Air-fuel ratio sensor status Activated Engine coolant temperature 75°C (167°F) or more Continuous time of fuel cut 3 to 10 seconds Rear HO2 sensor voltage Rises from less than 0.21 V to 0.59 V or more A/F sensor voltage More than 3.8 V
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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