LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1981 >> Cutaway 4.9L Eng VIN E >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> MCU Engine Control System >> Operation >> Engine Controls >> Air/Fuel Controls
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Air/Fuel Controls

In 6-cylinder applications, the MCU provides a pulsed voltage signal which operates a fuel control solenoid. The engine is controlled directly by the solenoid which is a part of the carburetor.