Symptom List:
P0132-O2 SENSOR 1/1 VOLTAGE HIGH
P0138-O2 SENSOR 1/2 VOLTAGE HIGH
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0132-O2 SENSOR 1/1 VOLTAGE
HIGH.
When Monitored and Set Condition:
P0132-O2 SENSOR 1/1 VOLTAGE HIGH
When Monitored: The engine running for 119 seconds. O2 Sensor Heater Temperature is
greater than 350°C (662°F). Battery voltage greater than 10.99 volts.
Set Condition: The Oxygen Sensor voltage is above 3.9902 volts. Two trip fault.
P0138-O2 SENSOR 1/2 VOLTAGE HIGH
When Monitored: The engine running for 119 seconds. O2 Sensor Heater Temperature is
greater than 350°C (662°F). Battery voltage greater than 10.99 volts.
Set Condition: The Oxygen Sensor voltage is above 3.9902 volts. Two trip fault.
POSSIBLE CAUSES
O2 SENSOR VOLTAGE ABOVE 3.7 VOLTS
O2 SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
O2 SENSOR RETURN CIRCUIT SHORTED TO VOLTAGE
O2 SENSOR
O2 SENSOR SIGNAL CIRCUIT OPEN
O2 SENSOR RETURN CIRCUIT OPEN
PCM
95
DRIVEABILITY - NGC
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