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Home >> Chrysler >> 2003 >> Town & Country Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L & 3.8L >> Diagnostic Tests >> DTC P0134: 1/1 O2 Sensor Stays At Center Or DTC P0140: 1/2 O2 Sensor Stays At Center >> Monitored & Set Conditions

Monitored & Set Conditions

DTC P0134  - Oxygen sensor monitor will run after engine has been running for greater than 121 seconds, in closed loop fuel control mode with engine coolant temperature greater than 150.8°F (66°C). DTC will set if O2 sensor voltage is 0.35-0.58 volt for 30 seconds and then O2 signal volt is 1.5 volts for 60 seconds. This is a one-trip fault.

DTC P0140  - Oxygen sensor monitor will run after engine has been running for greater than 121 seconds, in closed loop fuel control mode with engine coolant temperature greater than 150.8°F (66°C). Vehicle speed greater then 40 MPH. DTC will set if O2 sensor voltage is 0.35-0.58 volt for 30 seconds, and then O2 signal volt is 1.5 volts for 60 seconds. This is a two-trip fault.