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Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 518 (Powertrain Diagnostic Procedures) >> Diagnostic Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P0133-O2 Sensor 1/1 Slow Response, P0139-O2 Sensor 1/2 Slow Response >> When Monitored and Set Condition:
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When Monitored and Set Condition:

WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

P0133-O2 SENSOR 1/1 SLOW RESPONSE 

When Monitored: Start and drive vehicle greater than 20 MPH and less than 55 MPH. Throttle open for a minimum 120 seconds. Coolant Temp greater than 70°C (158°F). Catalytic Converter Temperature greater than 600°C (1112°F)

Set Condition: The PCM monitors the state of change of the front O2 sensor and the rear 02 sensor. The PCM will then compare the differences between both readings, if the differences are greater than a calibrated amount the PCM will record a fault. Two trip failure.

P0139-O2 SENSOR 1/2 SLOW RESPONSE 

When Monitored: Start and drive vehicle greater than 20 MPH and less than 60 MPH. Throttle open for a minimum 120 seconds. Coolant Temp greater than 70°C (158°F). RPM between 1200 to 2000. Vacuum between 56Kpa to 28 Kpa.

Set Condition: The PCM monitors the state of change of the front O2 sensor and the rear 02 sensor. The PCM will then compare the differences between both readings, if the differences are greater than a calibrated amount the PCM will record a fault. Two trip failure.

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