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Home >> Dodge and Ram >> 2007 >> Nitro R/T, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0128 To P0202 >> P0139-O2 Sensor 1/2 Slow Response >> Monitor Conditions
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Monitor Conditions

  1. When Monitored: 

    With the engine running, vehicle speed between 32 and 88 kph (20 and 55 mph), throttle open for a minimum of 120 seconds, ECT greater than 70°C (158°F), Catalytic Converter Temperature greater than 600°C (1112°F) and EVAP Purge active

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