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Catalyst Monitor Repair Verification Drive Cycle

WARNING: This page is about a different car, the 1997 Mercury Mountaineer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Refer to and complete the vehicle check and preparation before initiating the following repair verification steps. See VEHICLE CHECK/PREPARATION .
  2. Start the engine and drive the vehicle for 25 minutes:
    • Drive in stop-and-go traffic for 20 minutes, include 6 different constant speeds between 25 and 45 MPH (40 and 72 km/h).
    • Drive on expressway or highway for an additional 5 minutes.
  3. Rerun quick test. See QUICK TEST .
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