What does a bad EVAP valve do?
When a canister purge valve opens, the fuel vapors are sent to the engine where they are burned up. But when there is a problem with the EVAP system like a bad purge valve, the fumes escape, causing that gasoline-like smell on your car.
How much does it cost to replace an EVAP valve?
To have your canister purge valve replaced, you will pay anywhere between $110 and $170. The parts are the expensive component here, as they will run between $75 and $110. The labor, on the other hand, usually only costs about $50, meaning this is a rather quick and straightforward procedure.
What is an EVAP valve?
The canister purge valve is a vital part of the Evaporative Emission Control System (EVAP). The EVAP system seals the fuel system of your vehicle to prevent harmful fuel vapors from entering the environment. This action allows fuel vapor to move from the charcoal canister to burn in the engine.
What happens when EVAP solenoid goes bad?
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.
When should I replace my EVAP canister?
There are at least a few reasons you might need to replace the canister. Symptoms you may notice from a faulty charcoal canister might include check engine light (CEL), difficulty refueling, poor engine performance, excessive fuel odor, or the reduced fuel economy.
How do I know if my EVAP solenoid is bad?
Symptoms of a bad or failing canister purge solenoid
- Rough idle. One of the first symptoms that a faulty canister purge valve may produce is a rough idle.
- Difficulty starting. Another symptom commonly associated with a bad canister purge solenoid is difficult starting.
- Check Engine Light comes on.
Can you drive with a bad EVAP valve?
While it is safe to drive with an EVAP leak, you should not drive your vehicle for long while you do have a leak. If your Check Engine Light comes on, check to make sure the gas cap on your vehicle is securely fastened. If the light is still on, take it to a mechanic so the leak can be fixed.