Operation CHARM: Car repair manuals for everyone.

Fuel Cut RPM Inspection


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) Using a sound scope, 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:
M/T: 1,400 rpm
A/T: 1,500 rpm


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