Catalyst Monitor Repair Verification Drive Cycle
WARNING: This page is about a different car, the 1998 Lincoln Navigator and 1998 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Ambient air temperature or IAT PID must read a minimum of 32°F (0°C) to initiate catalyst monitor. Perform VEHICLE PREPARATION . Drive vehicle in stop and go traffic for 20 minutes. Include 6 different constant speeds between 25-45 MPH. Drive on expressway or freeway for an additional 5 minutes. Repeat QUICK TEST .