Hyundai Palisade (LX2): Evaporative Emission Control System / Description and operation

Hyundai Palisade (LX2) 2020-2026 Service Manual / Emission Control System / Evaporative Emission Control System / Description and operation

Description
Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates from the fuel tank, the vapor passes through vent hoses or tubes into canister filled with charcoal and the canister temporarily holds the vapor in the charcoal.
If ECM determines to draw the gathered vapor into the combustion chambers at certain operating conditions, it will use vacuum in the intake manifold to move it.

    Schematic Diagram 1. Air cleaner 2. Delivery pipe & injector 3. Engine 4. Purge control solenoid valve (PCSV) 5.

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    Hyundai Palisade (LX2) 2020-2026 Service Manual: Components and positions

    Hyundai Palisade (LX2) 2020-2026 Service Manual: PTC Heater (Diesel only)

    Description and operation Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engi

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