Index Chrysler Chrysler TOWN & COUNTRY, VOYAGER, Dodge Caravan - service repair manual 2001-2007 year
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Symptom List: P0131-O2 SENSOR 1/1 VOLTAGE LOW Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0131-O2 SENSOR 1/1 VOLTAGE When Monitored and Set Condition: P0131-O2 SENSOR 1/1 VOLTAGE LOW When Monitored: Engine Running for less than 30 seconds. O2 Sensor Heater Temper- ature less than 251°C (484°F) Battery voltage greater than 10.99 volts. Set Condition: The oxygen sensor signal voltage is below 2.5196 volts for 3 seconds. One trip Fault. P0137-O2 SENSOR 1/2 VOLTAGE LOW When Monitored: Engine Running for less than 30 seconds. O2 Sensor Heater Temper- ature less than 251°C (484°F) Battery voltage greater than 10.99 volts. Set Condition: The oxygen sensor signal voltage is below 2.5196 volts for 3 seconds. One trip Fault. POSSIBLE CAUSES O2 SENSOR BELOW 2.52 VOLTS O2 SENSOR O2 RETURN CIRCUIT SHORTED TO GROUND O2 SIGNAL CIRCUIT SHORTED TO GROUND O2 SIGNAL CIRCUIT SHORTED TO O2 RETURN CIRCUIT O2 SIGNAL SHORTED TO HEATER GROUND CIRCUIT PCM RETURN CIRCUIT PCM SIGNAL CIRCUIT 292 DRIVEABILITY - NGC |