What is an evaporative emission control?

What is an evaporative emission control?

Evaporative Emissions Control The Evaporative Emission Control System (EVAP) is used to prevent gasoline vapors from escaping into the atmosphere from the fuel tank and fuel system at all times. The EVAP system is designed to stop fuel system fumes from leaking directly into the atmosphere.

How can we control evaporative emission?

A vented fuel cap serves to allow air to enter as fuel is depleted while venting expanded vapors in the fuel tank into the carbon canister. The combination of carbon canisters, the use of low permeable polymers, and fuel injection systems has been demonstrated as a very effective evaporative emissions control strategy.

How much does it cost to fix evaporative emission control system?

The fuel evaporative system (EVAP) controls emission by housing vapors from evaporated fuel and sending them back to the fuel tank to be reused. The cost for EVAP system repair ranges between $200 and $560. The labor alone will cost somewhere between $35 and $140, while parts will run somewhere between $150 and $440.

Where is the EVAP control system located?

The EVAP emissions control canister is located on the driver side, near the rear tires.

What to do if you find an evaporative emission system leak?

If you see a P0442 evaporative emission system leak detected code, you may be able to resolve the problem without much effort. The easiest solution may be to remove and reaffix the gas cap. Once you do, clear the code on the OBD-II diagnostic scanner and drive for a few days.

How does the evaporative emission control system work?

When the module deems conditions to be correct, it commands a solenoid to open the purge valve. Opening the purge valve creates a vacuum that pulls fresh air through the vapor canister. The fresh air picks up the fuel vapors and delivers them to the engine to be burned during the normal combustion process.

What does an EVAP canister do for a car?

Amongst these systems is an EVAP (Evaporative Emission Control) system. This system closes in fuel vapors and prevents the vapor from escaping into the environment. Hence, reducing gas emission. The EVAP canister is one of the key components in this system.

Which is the code for an EVAP leak?

Common EVAP leak codes include: ● P0442 Evaporative Emission (EVAP) System Small Leak Detected ● P0455 Evaporative Emission (EVAP) System Leak Detected (large) ● P0440 Evaporative Emission (EVAP) System