Conditions For Running
Passive Test
- The start-up Engine Coolant Temperature (ECT) is 41-176°F (5-80°C).
- The ECT is 41-226°F (5-108°C).
- The Intake Air Temperature (IAT) is 41-162°F (5-72°C).
- The Mass Airflow (MAF) is less than 35 g/s.
- The air/fuel ratio is more than 12.1:1
- The Manifold Absolute Pressure (MAP) is more than 50 kPa.
- The battery voltage is more than 10.2 volts.
Active Test
- Failed or inconclusive passive test.
- The engine load is less than 80 percent.
- The engine speed is more than 1000 RPM.
- The engine is operating in Closed Loop fuel control.