Computers and Control Systems: Description and Operation

Fig. 4 Electronic feedback carburetor operation. 1985 Colt & Pickup:

Electronic feedback carburetor system (typical). 1984-86 models:

The Electronic Feedback Carburetor system controls emissions by close regulation of air/fuel ratios. Carburetor operation is controlled by an electronic control unit (computer). The computer monitors engine and vehicle operating conditions through a series of sensors and actuators to determine ideal fuel/air mixtures.