What controls the purge vent valves operation?
In newer model vehicles the purge valve is electrically operated solenoid controlled by the engine computer. When your engine is off the valve is closed. This action allows fuel vapor to move from the charcoal canister to burn in the engine. A hose connects all of these parts to form the EVAP system.
What are the symptoms of Nissan vent control valve problem?
The vent valve manages the outgoing & incoming flow of air or fuel vapors coming from the charcoal canister. Some car companies call this equipment as Canister Close Valve as well. Symptoms and Causes of Nissan vent control valve are:
How does the vent control valve work in a car?
When the EVAP leaks or fails, fuel vapors get into the atmosphere. Most of the automakers have this controlling system inside their vehicles to lessen the fuel wasting process. The vent valve controls the outgoing and incoming flow of fuel vapors or air coming from the charcoal canister.
What happens if you have a bad vent valve?
Normally, the vent valve is open, and closes when the engine computer tests the EVAP system to detect if there are leaks. If a leak in the EVAP system is identified, the Check Engine Light turns on the dash and the trouble code linked to the problem will get stored in the engine computer. What are the symptoms of a bad vent valve?
How to replace vapor canister vent valve 02-10 Ford?
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Where is the EVAP canister vent control valve located?
Check with your vehicle’s repair manual for testing parameters. The EVAP canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid responds to signals from the ECM. When the ECM sends an on signal, the coil in the solenoid valve is energized.
When do you need to replace a canister vent valve?
One of our expert mechanics will run a diagnostic when this happens and either fix the current vent valve or replace it if necessary. If you notice it is hard to fill your fuel tank, chances are the canister vent valve is clogged. Another way to detect a faulty vent valve is higher-than-normal emissions when getting a smog check.
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What causes a canister vent valve to become clogged?
In some cases, the vent valve becomes clogged with dirt and other debris. This is due to its location on the underside of the vehicle. One of our expert mechanics will check to make sure this is not the case when inspecting the canister vent valve.