Fuel Cut RPM Test

FUEL CUT RPM INSPECTION:
1. WARM UP ENGINE.

Terminal IG- In DLC1 Provides The Engine RPM Signal:

2. CONNECT TACHOMETER TO ENGINE.

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 2,500 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: 1,500 rpm

4. DISCONNECT TACHOMETER.