Removing
1. Decompress and disconnect the battery from ground.
2. Drain about 1 liter of liquid.
3. Remove the air filter.
4. Disconnect the throttle cable and cruise control cable from the throttle linkage (photo).
12.4a To remove the housing, disconnect the indicated cables, hoses and connectors...
12.4b... and unscrew 4 nuts
5. Disconnect the hoses of the pressure regulator and fast idle expander, unscrew the 4 nuts and remove the housing with the gasket.
Installation
6. Installation is carried out in the reverse order. Check that all cables, hoses and connectors are properly connected.
7. Start the engine and check for fuel leaks around the injectors. Check idle speed. Warm up the engine and add fluid.