Running tests (Discovery 1)

1. Turn on the ignition for 30 seconds.

2. Engine temperature must be less than 30°C.

3. Run the engine at idle speed for 2 minutes.

4. Perform two slow accelerations from a standstill to 50 km/h (slow pressing of the accelerator pedal).

5. Perform two moderate accelerations up to 70 km/h.

6. Perform two quick accelerations to 90 km/h (sharp pressing of the accelerator pedal).

7. Drive at a speed of 100 km/h for 5 minutes.

8. Drive at 85 km/h for 5 minutes.

9. Drive at a speed of 50 km/h for 5 minutes.

10. Let the engine idle for two minutes.

11. Connect the diagnostic tester and read the fault codes.