Index Chrysler Chrysler TOWN & COUNTRY, VOYAGER, Dodge Caravan - service repair manual 2001-2007 year
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Symptom List: P0133-1/1 O2 SENSOR SLOW RESPONSE Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0133-1/1 O2 SENSOR SLOW When Monitored and Set Condition: P0133-1/1 O2 SENSOR SLOW RESPONSE When Monitored: Start and drive vehicle greater than 10 MPH with throttle open for a minimum 200 seconds. Coolant greater than 70°C (158°F). EVAP Purge is active. Test Set Condition: The oxygen sensor signal voltage is switching from below 0.33 volts to above 0.61 volts and back fewer times than required in 60 seconds. Two trip fault.. P0139-1/2 O2 SENSOR SLOW RESPONSE When Monitored: Start engine. Allow engine to idle. For 1st part of test, if limits are exceeded, test passes. If not, 2nd part of test runs. Engine running for grater than 295 9 HG, MAP >13.8 & <21.69 HG, RPM >1400 & <2500 (4cylinder) RPM > 1120 & <1950(6 cylinder) and vss >22 and < 60 MPH. Set Condition: The oxygen sensor signal voltage is has not switched below 0.35 volts to above 0.53 volts in 411 seconds of engine run. Two trip fault. POSSIBLE CAUSES GOOD TRIP EQUAL TO ZERO EXHAUST LEAK O2 SENSOR SIGNAL CIRCUIT VOLTAGE DROP O2 SENSOR GROUND CIRCUIT VOLTAGE DROP O2 SENSOR TEST ACTION APPLICABILITY 1 NOTE: Check for contaminates that may have damaged the O2 Sensor: t, read DTC’s. Is the Good Trip displayed and equal to zero? All Yes → Go To 2 No → Refer to the INTERMITTENT CONDITION symptom in the Driveability category. 68 DRIVEABILITY - SBEC |