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Home >> Chrysler >> 2002 >> PT Cruiser Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0134: 1/1 O2 Sensor Stays At Center Or DTC P0140: 1/2 O2 Sensor Stays At Center >> Monitored & Set Conditions
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Monitored & Set Conditions

DTC P0134 is monitored with engine running for greater than 121 seconds, coolant temperature greater than 150.8°F (66°C) and engine in closed loop fuel control mode. DTC will set if O2 signal voltage is between .35 volt and .58 volt for a total of 30 seconds and then O2 signal voltage is 1.5 volts for 60 seconds. One trip fault. DTC P0140 is monitored with engine running for greater than 121 seconds, coolant temperature greater than 150.8°F (66°C), engine in closed loop fuel control mode and vehicle speed greater than 40 MPH. DTC will set if O2 signal voltage is between .35 volt and .58 volt for a total of 30 seconds and then O2 signal volt is 1.5 volts for 60 seconds. DTC is a two trip fault.

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