1974 (MPC System)
- Loosen lock nut on stop screw for throttle valve switch. Turn screw out a couple of turns so that it does not touch stop on throttle valve spindle. Make sure that throttle valve switch is fully closed.
- Turn in stop screw until it touches stop on switch spindle. Turn screw in an additional 1/4 turn and tighten lock nut. Make sure that throttle valve switch does not jam or seize in closed position.