DTC | Diagnostic item |
P0133 P0134 | Oxygen Sensor Circuit Slow Respones (Bank 1, Sensor 1) Oxygen Sensor Circuit Inactive (Bank 1, Sensor 1) |
Refer to DTC P0130 & P0136.
Over a period of 2 minutes, the ECM must sense a fuel compensation factor greater 85% or less than 95%.
The ECM must make some correction in the air/fuel ratio when :
● Engine RPM is between 1600 and 3200 RPM. ● Engine load range is between 1.35 and 3.4 milliseconds. ● Catalyst temperature is above 372°C (702°F). ● System is in closed loop. |