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Home >> Land Rover >> 2003 >> Range Rover >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Without Codes >> OBD Drive Cycle Information >> Drive Cycle F

Drive Cycle F

  1. Switch ignition on for 30 seconds.
  2. Ensure Engine Coolant Temperature is less than 60°C (140°F).
  3. Start Engine.
  4. Ensure vehicle is in "High Range".
  5. Allow engine to idle for 2 minutes.
  6. Cruise at 50 mph for 2 minutes.
  7. Allow engine to idle for 2 minutes.
  8. Select "Low Range".
  9. Allow engine to idle for 2 minutes.
  10. Perform 2 light accelerations (0 to 10 mph with light pedal pressure).
  11. Perform 2 medium accelerations (0 to 20 mph with moderate pedal pressure).
  12. Cruise at 30 mph for 2 minutes.
  13. Select "High Range".
  14. Cruise at 50 mph for 2 minutes.
  15. Allow engine to idle for 2 minutes.
  16. Connect a generic scan tool and check for diagnostic trouble codes.
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