1. Before inspection, set the vehicle to the pre-inspection condition.
  1. Turn the ignition switch to "LOCK" (OFF) position.
  1. Connect the MUT-II/III to the diagnosis connector or connect a tachometer to the engine speed detection connector.
  1. Connect a timing light.
       
    1. Start the engine and let it run at idle.
    1. Check that ignition timing is at the standard value.
    2. Standard value: approximately 5° BTDC
    1. Run the engine at 2,500 r/min for 2 minutes.
    1. Set the CO, HC tester.
    1. Check the CO contents and the HC contents at idle.
    2. Standard value
      • CO contents: 0.5% or less
      • HC contents: 100 ppm or less
    1. If there is a deviation from the standard value, check the following items:
      • Diagnosis output
      • Fuel pressure
      • Injector
      • Ignition coil, spark plug cable, spark plug
      • EGR control system
      • Evaporative emission control system
      • Compression pressure
      NOTE: Replace the three way catalyst when the CO and HC contents are not within the standard value, even though the result of the inspection is normal on all items.
    ©2004 Mitsubishi Motors Corporation