DTC Set Criteria

Thirty seconds or more have passed since engine started. Engine coolant temperature is more than 178°F (81°C). Engine speed is more than 1200 RPM. Volumetric efficiency is more than 30 percent. Engine is in closed loop air/fuel control. Monitor runs for 30 seconds. Code will set if Multiport Fuel Injection (MFI) system does not enter closed loop air/fuel control within 30 seconds of meeting listed criteria.