Hyundai Sonata: Description and Operation - Evaporative Emission Control System - Emission Control SystemHyundai Sonata: Description and Operation

Description

The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes through vent hoses or tubes to a canister filled with charcoal.
The canister temporarily holds the vapor in the charcoal. The ECM will control the system in order to draw the gathered vapor into the combustion chambers during certain operating conditions. Engine manifold vacuum is used to draw the vapor into intake manifold.

    Schematic Diagrams
    Schematic Diagram Canister The Canister is filled with charcoal and absorbs evaporated fuel vapor from the fuel tank. The gathered fuel vapor in canister is drawn into the intake man ...

    See also:

    Repair procedures - Revised
    Fuel Pressure Test 1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). ...

    Windows
    (1) Driver’s door power window switch (2) Front passenger’s door power window switch (3) Rear door (left) power window switch (4) Rear door (right) power window switch (5) Window opening and ...

    Additional safety precautions
    Never let passengers ride in the cargo area or on top of a foldeddown back seat. All occupants should sit upright, fully back in their seats with their seat belts on and their feet on the flo ...