LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 1980 >> Rabbit Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> BOSCH Cis Injection System - AUDI & VOLKSWAGEN >> Removal & Installation >> Mixture Control Unit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Mixture Control Unit

CAUTION: On all models, disconnect battery ground cable and relieve fuel pressure before removing mixture control unit.
  1. Clean all fuel connections completely and disconnect them, tagging each one to insure correct installation later.
  2. Disconnect air duct from air sensor and throttle valve housing.
  3. Use tip of screwdriver to snap loose the retainers holding bottom part of air cleaner. Prevent unit from falling. Carefully remove mixture control unit, taking care that fuel does not spill on engine or electrical connections.
  4. To install, reverse removal procedure. Use new gasket beneath upper section of mixture control unit.