Mixture Control Unit, Replace

1. Thoroughly clean the area around the fuel connections on fuel distributor.
2. Disconnect fuel lines from distributor. Disconnect lines to injection valves before disconnecting control pressure line, to avoid damaging the adjacent lines.
3. Remove rubber bellows from between air flow sensor and throttle valve housing.
4. Remove retaining bolts and mixture control unit from air cleaner.
5. Reverse procedure to install. Make sure that cleaner element is in correct position, then bolt control unit to air cleaner.
6. Connect fuel line to fuel distributor and install rubber bellows between air flow sensor and throttle valve housing.