General description of the carburetor fuel system (Opel Vectra A)

The fuel system on all carburetor models includes a fuel tank, a fuel pump, and a vapor separator (only 1.6 and 1.8 liter models), falling flow carburetor, air filter with temperature control.

The fuel tank is mounted under the rear of the vehicle, in front of the rear suspension. The tank is ventilated and contains a filler pipe and a fuel level sensor.

The fuel pump is a mechanical diaphragm type, driven by a pusher bearing on the camshaft.

The fuel vapor separator is designed to stabilize the fuel supply to the carburetor. Steam is released from the fuel entering the carburetor, thus improving the quality of starting from a hot state.

Carburetor - Pierburg 2EZ, full description is given in Chapter 12.

The air filter has wax or vacuum control of the inlet air, hot and cold air are mixed, maintaining the air temperature at a certain level, satisfying most operating conditions of the engine. A more complete description is given in Chapter 4.

All engines used in Vectra models can be run on unleaded petrol, see. Section 5.