Fuel Cut RPM Inspection

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 OBD II scan tool.
3. Inspect fuel cut off rpm.
(a) Increase the engine speed to at least 3,500 rpm.





(b) Use a sound scope to check for injector operating noise.
(c) 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: 1,500 rpm
(Vehicle speed less than 25 km/h (16 mph), with brake OFF)

4. Disconnect TOYOTA hand-held tester or OBD II scan tool.