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EVAP (Evaporative Emission Control) system

Related articles

Symptoms of a Bad or Failing Evaporative Emission Control Canister
Common signs include the Check Engine Light coming on, raw fuel smell coming from the back of the car, and a collapsed or leaking fuel tank.
What Does the Fuel Cap Warning Light Mean?
The fuel cap light tells you when a leak has been detected in your car, most likely from a loose gas cap.
How to Replace an Evaporative Emission Control Canister
Emissions are regulated by the EVAP emission control canister which fails when the fuel tank gauge does not work or you fail an emissions test.
How to Clean Evaporator Drain Tubes
The air conditioning system on a car has evaporator drain tubes than need cleaning if there is dirty air in the car or it is not blowing consistently.
How to Replace a Canister Purge Solenoid
The canister purge solenoid prevents harmful vapor from releasing into the atmosphere. A faulty solenoid will not allow you to pass an emissions test.

Related questions

Question
Fuel spills out when fueling, even if the tank is near empty. What's happening?
Hi There, What you are describing sounds like you may have a faulty purge solenoid in your EVAP system. Your car has a small purge valve called a purge solenoid that controls the venting of fumes from the fuel tank...
Question
Engine does not start after fueling
Hi There, It sounds like your car's evaporative emissions system may have some problems. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere as you are fueling your car and while the fuel just...
Question
I cannot locate the solenoid vent valve in my car.
Hi there. The purge control valve that you are looking for is located next to the valve cover and between the engine and the firewall to the front of the engine area. The valve should have vacuum type hoses attached...
Question
Car stalls after fueling
It sounds like you may have a problem with your evaporative emissions system. Your car has a small purge valve called a purge solenoid that controls the venting of fumes from the fuel tank as these fumes build up inside,...
Question
System Gross Leak Evaporative Emission p0455
The code P0455 will not be fixed by having an oil change and tune up. The evaporative leak may just have been caused by a loose or leaking gas cap. The system will need to be tested by leak testing...
Question
Won't start after filling gas tank
The most common cause of hard or no start after getting fuel is due to a leaking purge valve leaking vapors into the engine when refueling. This will flood out the engine causing problem. Have the purge valve checked for...
Question
Evaporative Emissions Control
If your problem is only related to not being able to put fuel in your tank, this may actually be related to your evaporative emissions system rather than the fuel tank itself. The EVAP system prevents fuel vapors from the...
Question
Car stalling
Hello There, Your car has a small purge valve called a purge solenoid in the Evaporative Emissions system that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the...
Question
Hunting idle speed and stalling.
Hi There, It sounds like you may have an issue with your evaporative emissions control system causing the hunting idle problem and the no start issue after filling up your fuel tank. Your car has a small purge valve called...
Question
I'm getting a check engine light with codes p0455 and p0456. I tried a new gas cap from the dealer but the light comes back in a few days.
Hi there - the 2 codes you mention are indicative of a leak in the evaporative emissions system. As you have been advised, this is sometimes caused by a loose gas cap, or one that no longer seals properly. It...
Question
White smoke coming from tailpipe with the code for evap large leak.
Hi there. The white smoke coming from the exhaust system indicates that there is water (coolant) in the exhaust system. This is caused by the coolant getting into the combustion chamber and burning off with the fuel. The coolant is...
Question
Trouble starting car after refueling.
Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...
Question
Car problem
Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...
Question
Van idles rough
Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...
Question
Location of evap control solenoid
According to the manual it states the location of the purge control valve is connected between the intake manifold and the vapor line to the carbon canister under left side of vehicle behind drivers door. Follow the vapor pipe from...
Question
While filling fuel in tank its flooding i.e can't fill in full speed usually it take around 10-15 Min for filling 50 Ltrs gas.
This is likely related to your EVAP emissions system and something called a purge solenoid. The EVAP system prevents fuel vapors from the fuel tank from escaping into the atmosphere. The EVAP system collects and temporarily stores the fuel vapors...
Question
Where is the canister purge selinoid located at?
The EVAP system is located in the rear of the vehicle near the fuel tank, which may be part of your problem in the event there is a leak in the EVAP system. Your car has a small purge valve...
Question
I'm having a horrible lack of power issue
You may have a problem with your evaporative emissions system. Your car has a small purge valve called a purge solenoid that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you...
Question
Evaporative Emissions Control
Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...
Question
Can you drive 500 mile trip when you have a code p0456?
Hi there, yes, you are still able to drive your vehicle with a "small evaporative system leak". HOWEVER, please note that there might be a slightly higher risk of a fire in this scenario. This system manages fuel fumes, which...

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