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Home >> Chevrolet >> 2004 >> Optra Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.4L DOHC - Repair Instructions >> Repair Instructions >> Throttle/Idle Learn
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Throttle/Idle Learn

The Idle Learn Procedure listed below must be performed whenever the following occurs:

  1. Turn the ignition ON.
  2. Turn the ignition OFF for 15 seconds.
  3. Turn the ignition ON for 5 seconds.
  4. Turn the ignition OFF for 15 seconds.
  5. Start the engine in park/neutral.
  6. Allow the engine to run until the engine coolant temperature is greater than 85°C (185°F).
  7. Turn the A/C ON for 10 seconds, if equipped.
  8. If the vehicle is equipped with an automatic transaxle, apply the parking brake. While pressing the brake pedal, place the transaxle in drive (D) for 10 seconds.
  9. Turn the A/C OFF for 10 seconds, if equipped.
  10. If the vehicle is equipped with an automatic transaxle, while pressing the brake pedal, place the transaxle in park/neutral.
  11. Turn the ignition OFF. The idle learn procedure is complete.