Electronic Control Module (ECM)
The ECM sends a signal to mixture control solenoid which controls carburetor air/fuel ratio. This signal is continuously cycling solenoid between on and off time (duty cycle) as a function of inputs from sensors.
The ECM sends a signal to mixture control solenoid which controls carburetor air/fuel ratio. This signal is continuously cycling solenoid between on and off time (duty cycle) as a function of inputs from sensors.