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.
- Increase the engine speed to at least 3,000 rpm.
- Using a sound scope, check for injector operating noise.
- 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:
With A/T 1,200 rpm
With M/T 1,000 rpm
4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL