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Home >> Chrysler >> 2007 >> 300 Base >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0325 To P0456 >> P0420-Catalyst Efficiency (Bank 1) >> Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    The monitor will run at between 1400 and 2300 RPM. It also runs between 40 and 70 kPa.



  1. When Monitored: 

    ECT above 70° C (158° F), engine RPM between 1400 and 2300, and vehicle speed between 48 and 60 kph (30 and 60 mph).