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Engine Idle Speed: Inspection

  1. INITIAL CONDITIONS 
    1. Engine is at normal operating temperature.
    2. Air cleaner is installed
    3. All pipes and hoses of air induction systems are connected
    4. All accessories are switches OFF
    5. All vacuum lines are properly connected

      HINT:

      All vacuum hoses should be properly connected.

    6. SFI system wiring connectors are fully plugged
    7. Ignition timing is set correctly
    8. Transmission is in neutral position
    9. Air conditioning switches are OFF
  2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL 
    1. (See  INSPECTION  ) 
  3. INSPECT IDLE SPEED 
    1. Race the engine speed at 2,500 RPM for approx. 90 seconds.
    2. Check the idle speed.
      1. Idle speed: 700 plusmn 50 RPM 

      If the idle sped is not as specified, check the air intake system.

  4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL 
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