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Home >> Jeep >> 2005 >> Grand Cherokee Limited, 5.7 2 >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0121 To P0171 >> Diagnosis And Testing >> P0133-O2 Sensor 1/1 Slow Response >> Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    Vehicle is started and driven between 20 and 55 MPH with the Throttle open for a minimum of 120 seconds. Coolant greater than 70°C (158°F). Catalytic Converter Temp greater than 600°C (1112°F) and EVAP Purge is active.