Emission monitoring and control systems Hyundai Elantra 3
General information about the toxicity control system The operation of the fuel injection system is based on the sequence of pulses and the measurement of air flow. The system ensures the supply of an optimal composition of...
Crankcase Ventilation (PCV) Diagram of the crankcase ventilation system 1 - generator; 2 - valve of the crankcase ventilation system; 3 - air chamber; 4 - wide hose; 5 - air intake pipe The...
Crankcase ventilation valve Withdrawal 1. Disconnect the hose from the crankcase ventilation valve. Remove the valve from the cylinder head cover and connect it to the crankcase ventilation hose....
Evaporative Emission System Evaporative Emission System Schematic Scheme of the system for monitoring and reducing the toxicity of exhaust gases and trapping fuel vapors of a 1.6-liter engine with...
Activated carbon canister Examination 1. Check that all connections are secure and that the fuel vapor pipes are not damaged. 2. Check the tightness of the tubes. 3. After removing the canister,...
Canister cleaning solenoid valve Attention! Before disconnecting, mark the vacuum hoses so that they can be reinstalled. Order of execution 1. Disconnect the vacuum hose from the solenoid valve. 2....
Fuel filler cap The fuel filler cap is equipped with a vacuum relief valve to prevent fuel vapor from escaping to the atmosphere.
Vehicle exhaust system with catalytic converter To reduce emissions with exhaust gases of harmful substances (CO, HC, NOx) the engine management system has been modified with the addition of special elements. The...
MFI fuel injection system The MFI fuel injection system uses signals from the heated oxygen sensor to correct the fuel injector control modes installed in the intake manifold for each cylinder,...
Troubleshooting sign Probable Cause Elimination Method Engine does not start or starts with difficulty Disconnected or damaged vacuum hoses Repair or replace vacuum hoses EVAP canister...