Mixture Control Unit
CAUTION:
On all models, disconnect battery and relieve fuel pressure before removing component parts.
- On most models, top of mixture control unit must be removed to extract mixture screw plug or steel ball which blocks access opening. Tap plug or ball out with a pin punch.
- Clean around all fuel line connections. Remove fuel lines and wipe up any spilled fuel. Disconnect electrical wiring and remove rubber boot to manifold. Remove Allen screws and lift off mixture control unit.
- To install, reverse removal procedure. Replace gaskets and seals and check for leaks after installation.