CHECK VALVE [SKYACTIV-G 1.5, SKYACTIV-G 2.0]
id0116zj196900
Purpose, Function
• The check valve adjusts and maintains the pressure in the fuel tank at a constant pressure.
Construction
• The check valve is located between the fuel tank and charcoal canister.
• The check valve consists of the valve, spring, and umbrella.
Operation
• When the pressure in the fuel tank reaches positive pressure, the evaporative gas passage opens to introduce the evaporative gas from the fuel tank to the charcoal canister.
• When the pressure in the fuel tank reaches negative pressure due to fuel consumption, the evaporative gas passage opens to introduce atmosphere from the charcoal canister to the fuel tank.
