General information Emission control systems include: electronic engine control system (EEC - IV) waste gas re-burning system (EGR) manifold air intake control system fuel vapor control...
Electronic engine control system (EEC — IV) General description 1. Electronic engine control system (EEC - IV) consists of an on-board computer known as the Electronic Control Unit (ECA) and information sensors...
Exhaust gas re-burning (EGR) system General description 1. The EGR system is designed to return small portions of the exhaust gas to the combustion cycle and thus reduce nitrotoxins in emissions. The...
Manifold Air Intake Control System General description 1. Air control system entering the manifold (see picture) reduces the content of carbon monoxide and hydrocarbons in the exhaust gases by injecting...
Evaporative emission control system General description 1. The system is designed to prevent hydrocarbons from entering the atmosphere by trapping and concentrating fuel vapors from the carburetor gas tank...
Efficient crankcase ventilation system General description 1. Efficient crankcase ventilation system (PCV) (see picture). drives crankcase vapors back to the engine where they are burned. The valve regulates...
Intake air temperature control system Intake air temperature control system - for four-cylinder engines General description 1. The intake air temperature control system monitors the heating of the air, then...
Catalytic converter General description 1. Catalytic Converter (see picture) designed to reduce the content of hydrocarbons, carbon monoxide and nitrogen oxide in the exhaust "burns" these...