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Fuel Cut Rpm: Inspection

  1. WARM UP ENGINE 

    Allow the engine to warm up to normal operating temperature.

  2. CONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL (See  PRECAUTION   ) 
  3. INSPECT FUEL CUT OFF RPM 
    1. Increase the engine speed to at least 3,500 rpm.
    2. Use a sound scope to check for injector operating noise.
      3. Fig 1: Locating Sound Scope
      G04241405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.

    HINT:

    Measure with the A/C OFF.

    Fuel return rpm: 

    FUEL RETURN RPM SPECIFICATIONS

    M/T 1,000 rpm
    A/T 1,200rpm
  4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL 
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