P0158

Tests 1 - 4:

Tests 5 - 7:

SYMPTOM
P0158-2/2 O(2) SENSOR SHORTED TO VOLTAGE

TEST NOTE
This symptom is diagnosed using the test P0132-1/1 O(2) SENSOR SHORTED TO VOLTAGE.

WHEN MONITORED
With battery voltage greater than 10 volts. Engine running for more than 2 minutes. Coolant temperature above 80 °C (176 °F).

SET CONDITION
The Oxygen Sensor voltage is above 1.21 volts.

POSSIBLE CAUSES
- Intermittent Condition
- O(2) Sensor Operation
- O(2) Sensor Signal Shorted To Voltage
- O(2) Sensor Signal Open
- O(2) Sensor Ground Circuit Open
- PCM