P0160

Tests 1 - 4:

Tests 5 - 8:

SYMPTOM
P0160-2/2 O2 SENSOR STAYS AT CENTER

TEST NOTE
This symptom is diagnosed using the test P0134-1/1 O2 SENSOR STAYS AT CENTER.

WHEN MONITORED
Engine running for greater than 121 second. Coolant Temperature greater than 66 °C (150.8 °F). Engine in closed loop fuel control mode.

SET CONDITION
O2 signal voltage is between 0.35 volt and 0.58 volt for a total of 30 seconds and then O2 signal volt is 1.5 volts for 60 seconds.

POSSIBLE CAUSES
- Intermittent condition
- O2 sensor operation
- O2 sensor ground circuit open
- O2 sensor signal open
- O2 sensor ground circuit voltage drop
- O2 sensor signal circuit voltage drop
- PCM