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Charcoal canister purge valve.
The evap canister purge control volume control valve is operated by a step motor for control of flow rate of fuel vapor from evap canister.
Apply the air to the opening of the control valve pipe again and use your finger to determine if the air is coming out of the bottom of the pipe.
This will ensure that the canister is clean and allowing air flow from the top of the canister to the bottom pipe of the canister.
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When the engine is off the purge valve is closed.
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A canister purge valve that s stuck in the open position or that doesn t fully close can result in a small vacuum leak leading to poor acceleration and a rough idle.
When a component in this system like the canister purge valve also known as a purge valve solenoid goes bad it can cause rough idling a check engine light or difficulty starting your vehicle.
There is a vacuum line that connects the intake manifold with the charcoal canister that contains the fuel vapors.
Conversely a valve that s stuck in the closed position prevents evaporated fuel from being burned in the engine which can ultimately lead to emissions system failure.
This system contains fuel vapors created in your fuel tank from escaping into the atmosphere by trapping them in a charcoal canister.
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The purge valve precisely controls the amount of fuel vapor that is purged from the charcoal canister.
The canister purge valve role is used to prevent harmful fuel vapors from entering the atmosphere.
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It is best to fix an evap system leak as soon as you notice there is a problem.
The canister purge valve also commonly referred to as the purge valve is an important component of your evaporative emission control evap system.
In modern cars the purge valve is an electrically operated solenoid that is controlled by the engine computer.
It does that by literally capturing the gases inside a small canister filled with charcoal and release them vapors into the engine at the most appropriate time.
The canister purge valve serves as part of the emission control system in a car and it measures the flow and amount of fuel vapor that is recycled into the combustion process via the charcoal canister or fuel vapor storage device.
