P0133

Test 1 - 3:

Test 4 - 5:

SYMPTOM
P0133-O2 SENSOR 1/1 SLOW RESPONSE

WHEN MONITORED
Start and drive vehicle greater than 20 MPH and less than 55 MPH. Throttle open for a minimum 120 seconds. Coolant Temp greater than 70° C (158° F). Catalytic Converter Temperature greater than 600° C (1112° F)

SET CONDITION
The O2 sensor voltage switches less than 16 times for a 3.5L or 11 times for 2.7L or less from rich to lean within 20 second during monitoring. Two Trip Fault.

POSSIBLE CAUSES
- Good trip equal to zero
- Exhaust leak
- O2 signal circuit
- O2 return circuit
- O2 sensor