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Home >> Mazda >> 1997 >> B4000 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Additional System Functions >> Drive Cycle Procedure >> Catalyst Monitor Repair Verification Drive Mode

Catalyst Monitor Repair Verification Drive Mode

  1. Refer to and complete the Preparation before initiating the following repair verification steps.
  2. Start the engine and drive the vehicle for 25 minutes.
    1. Drive in stop-and-go traffic for 20 minutes, include six different constant speeds between 40-72 km/h (25 45 mph).
    2. Drive on expressway or highway for an additional 5 minutes.
  3. With the ignition key ON (vehicle at idle or engine off), check for Retrieve/Clear Continuous DTCs.
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