Fuel Cut RPM Inspection

FUEL CUT RPM INSPECTION
1. ALLOW THE ENGINE TO WARM UP TO NORMAL OPERATING TEMPERATURE.
2. CONNECT TACHOMETER TO ENGINE.



Connect the test probe of a tachometer to terminal IG(-) of the DLC1.

NOTICE:
^ Never allow the tachometer terminal to touch ground as it could result in damage to the igniter and/or ignition coil.
^ As some tachometers are not compatible with this ignition system. We recommend that you confirm the compatibility of your unit before use.

3. INSPECT FUEL CUT RPM.
- Increase the engine speed to at least 3,500 rpm.



- Using a sound scope, check for injector operating sound.
- Check that when the throttle lever is released, injector operation sound stops momentarily and then resumes.
HINT: Measure with the A/C OFF.

Fuel return speed: 1,400 rpm

4. DISCONNECT TACHOMETER.