Conditions for Running
- DTCs P0421 and P0431 are not set.
- The engine load is 20-45 percent.
- The Manifold Absolute Pressure (MAP) sensor variation is less than 6 kPa.
- The catalytic temperature is more than 662°F (350°C).
- The engine is in Closed Loop fuel control.
- The engine speed is 1000-2120 RPM.