Fuel Shut-off Solenoid: Description and Operation

Fuel Cut Deceleration System Schematic:

Fuel Cut Deceleration System Operations Chart:

The Fuel-cut Solenoid is mounted on the carburetor and is activated by the ECU during engine deceleration. Part of the fuel to the carburetor slow circuit is cut-off by grounding the ECU terminal FCS. The ECU control is based on input from the throttle position switch and the engine rpm signal.