General information about the toxicity reduction system Engine compartment plate indicating the specific type of emission reduction system and other data (VECI plate) The vehicles covered in this manual are equipped with several emission control systems. The specific...
Ignition control system The main elements of the ignition control system 1. Bimetal vacuum distributor; 2. Damping valve; 3. Brown coloring; 4. Auxiliary diaphragm of the ignition distributor; 5. The main diaphragm of the ignition distributor;...
AIR-system of forced afterburning of hydrocarbons Typical AIR engine system 2F 1. Thermal vacuum distributor; 2. Bypass air valve (ABV valve); 3. Pneumatic switch; 4. Vacuum distributor; 5. Control air valve; 6. Pressure reducing valve; 7. Air pump Typical AIR system...
Temperature control system (HAI system) Typical HAI system 1. Aperture 2. Diaphragm control valve Designed to improve engine traction and prevent carburetor freezing in cold weather by redirecting warm air to the air filter.
Air damper locking system Typical choke lock 1. Aperture 2. Bimetallic pneumatic valve Designed to hold the air damper open after the engine warms up.
Fuel cut-off system during engine braking Fuel cut-off system 1. Solenoid valve; 2. Fuel cut-off channel; 3. To the vacuum switch; 4. Vacuum switch Designed to prevent the burning of unburned fuel in the exhaust system.
Air flap opening system Parts of the air damper system 1. Air flap control diaphragm; 2. Green coloring; 3. Damping vacuum valve Designed for weak opening of the air damper when starting a cold engine. The system includes: diaphragm; damping...
Electronic fuel injection system The fuel injection system is controlled by an onboard microcomputer called a processor unit (ECM). The electronic control unit receives information from various sensors that monitor such engine operating parameters as...
Fuel injection processor unit — removal and installation Removing 1. Disconnect the battery from the ground. 2. Remove the lower trim panel under the glove box on the passenger side. 3. Remove the center section on the passenger side. 4. Disconnect the connectors from the...
Useful tips for the operation of the catalyst Replacing a failed catalyst will not be cheap, so it would be nice to know in advance what problems there are with it, how things are with them in the spare parts market. Until recently, we knew only the following about...