Fuel Cut Rpm: Inspection

Allow the engine to warm up to normal operating temperature.

1. Connect a TOYOTA hand-held tester or OBDII scan tool to the DLC3.
2. Please refer to the TOYOTA hand-held tester or OBDII scan tool operator's manual for further details.

Fig 1: Connecting Hand-Held Tester To DLC3

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1. Increase the engine speed to at least 2,500 rpm.
2. Check for injector operating noise.
3. Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.

HINT:

• The vehicle should be stopped.
• Measure with the A/C OFF.

  Fuel return speed: 1,400 rpm