P0158

Test 1 - 3:

Test 4 - 6:

SYMPTOM
P0158-O2 SENSOR 2/2 VOLTAGE HIGH

TEST NOTE
This symptom is diagnosed using the test P0132-O2 SENSOR 1/1 VOLTAGE HIGH.

WHEN MONITORED
The engine running for 119 seconds. O2 Sensor Heater Temperature is greater than 585° C (1085° F). Battery voltage greater than 10.99 volts.

SET CONDITION
The Oxygen Sensor voltage is above 3.7 volts for 60 seconds. One 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