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Home >> Mitsubishi >> 2003 >> Montero XLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0134: Heated Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1) >> DTC Set Conditions
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DTC Set Conditions

Check conditions are where 30 seconds or more have passed since the starting sequence was completed, engine coolant temperature is higher than 169°F (76°C), engine speed is higher than 1200 RPM, volumetric efficiency is between 30-80%, throttle position sensor output voltage is lower than 4V, not while fuel is being shut off, monitoring time: 30 seconds. Judgement criteria is where right bank heated oxygen sensor (front) output voltage does not get across 0.5 volt within about 30 seconds.