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Home >> Jeep >> 2008 >> Commander Overland, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0339 To P0507 >> 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.