General information about the carburetor Petrol engines without a regulated catalytic converter with a power of 80 kW/109 hp up to 8/92 were equipped with various carburettors. Depending on the engine and its...
Carburetor adjustment Each carburetor is tested and adjusted at the factory. This adjustment should not be changed. Very high fuel consumption and insufficient engine power are most often due...
Malfunctions in fuel supply If there are any problems with fuel supply, check the fuel system (only for vehicles with a mechanical fuel pump) in the following order: Check if there is fuel in the...
Carburetor Pierburg 2V — design description Caution. If the engine starts up spontaneously after the ignition is switched off, although the carburetor and ignition are adjusted correctly, an electromagnetic...
Weber 2V-ISC Carburetor — Design Description A - carburetor cover B - housing of the automatic device for enriching the combustible mixture during start-up C - bimetallic spring housing D - stage II idle jet E -...
Checking and adjusting idle speed and CO content Carburetors Pierburg 2V and Weber 2V-TLD Since CO content and idle speed influence each other, both parameters must be checked and adjusted simultaneously. Note: A...
Checking and adjusting CO content Weber 2V-ISC Carburetor Since the idle speed is controlled by a stepper motor, it is not necessary to adjust it manually. If the idle speed does not correspond to the...
Removal and installation the carburetor Warning! Fuel may spill when removing the carburetor. Gasoline and its vapors are poisonous and flammable, so ensure good ventilation of the workplace. Avoid contact of...
Carburetor fault diagnostics The prerequisites for finding faults in accordance with the table below are the perfect adjustment and operation of the engine, all additional units, as well as the...