What is a purge solenoid?
The canister purge solenoid is the component in the EVAP system that is responsible for “purging” the EVAP system, by acting as the switch that allows the vapor into the engine. When the purge solenoid fails, it will cause problems for the EVAP system, which will affect the vehicle’s emissions output levels.
What is the function of the purge solenoid valve?
The purge solenoid valve (also referred to as canister purge solenoid), is one of the main components of the “Evaporative Emission Control System”, (EVAP). This valve is controlled by the engine computer and functions as a switch, enabling or disabling the flow of the gases filtered to the engine by the canister.
What are the symptoms of a bad canister purge solenoid?
Cost of Replacing a Bad or Failing Canister Purge Solenoid. Common signs of a problem with a car EVAP canister purge solenoid include rough idle, difficult starting, and the Check Engine Light turning on. Our certified technicians can come to you and diagnose the problem.
Where is the purge valve on a car?
The purge solenoid valve is on or near the throttle body of modern car engines. The purge valve is located on the top of the charcoal canister assembly in cars which were built in the 1970s to mid-1980s.
What causes a check engine light on a purge solenoid?
If the computer detects any problem with the purge solenoid circuit or signal, it will set off the Check Engine Light to alert the driver that a problem has occurred. A Check Engine Light can also be caused by a wide variety of other problems, so it is recommended to have the vehicle scanned for trouble codes to be sure. 5. Low Fuel Economy
How does a purge soleniod work?
The canister purge solenoid works by absorbing the fuel vapors with activated charcoal. Activated charcoal sucks up and absorbs the fuel vapors until the vehicle is started and is being driven by you.
What is the function of a purge valve solenoid?
A solenoid purge valve is used to regulate automotive emissions. This computer-controlled valve prevents unused fuel vapors from escaping into the atmosphere while the engine is off. The vapors are stored in the charcoal canister system. The unused fuel vapors are recycled into the combustion chamber when the engine is started.
What does an EVAP purge solenoid do?
The EVAP purge solenoid controls the flow of vapors from the EVAP system to the intake manifold. This normally closed solenoid is pulse width modulated (PWM) by the control module to precisely control the flow of fuel vapor to the engine. The solenoid will also be opened during some portions of the EVAP testing,…
What is a purge or vent solenoid?
The canister purge solenoid is an emissions control component that is commonly found on the evaporative emissions (EVAP) system of many modern vehicles. Modern vehicles are equipped with an (EVAP)…