Emission monitoring and control systems Hyundai Elantra 3

General information about the toxicity reduction system
The fuel injection system operates based on a pulse sequence and air flow measurement. The system ensures that the optimal composition of the fuel-air mixture is...

Crankcase ventilation system (PCV)
Crankcase ventilation system diagram 1 – generator; 2 – crankcase ventilation system valve; 3 – air chamber; 4 – wide hose; 5 – air intake pipe The crankcase ventilation...

Crankcase ventilation valve
Removal 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. 2....

Fuel vapor recovery system
Fuel vapor recovery system diagram Scheme of the system for monitoring and reducing toxicity of exhaust gases and capturing fuel vapors of the 1.6 liter engine with an...

Canister with activated carbon
Examination 1. Check that all connections are secure and that there is no damage to the fuel vapor tubes. 2. Check the tightness of the tubes. 3. After removing the...

Canister cleaning solenoid valve
Caution: Before disconnecting, mark the vacuum hoses so that they can be reinstalled in their proper places. Procedure 1. Disconnect the vacuum hose from the solenoid...

Fuel filler cap
The fuel filler cap is equipped with a vacuum relief valve to prevent fuel vapors from leaking into the atmosphere.

Exhaust system of vehicles with catalytic converter
To reduce emissions of harmful substances from exhaust gases (CO, HC, NOx) the engine control system has been modified with the addition of special elements. The changes...

MFI fuel injection system
The MFI fuel injection system uses signals from a heated oxygen sensor to adjust the control modes of the fuel injectors mounted in the intake manifold for each...

Troubleshooting issues
Sign Probable cause Method of elimination The engine does not start or starts with difficulty Vacuum hoses are disconnected or damaged Repair or replace vacuum hoses...

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Elantra 3 (2000-2006)