What do you do when your emission light comes on?

What do you do when your emission light comes on?

To address a check engine light issue, you or your mechanic can retrieve the codes by using an OBD-II scanner and then troubleshooting to find the problem. If your light is on, it typically means the car’s emissions control system is faulty, and the vehicle is polluting the air beyond allowable federal standards.

Is it safe to drive with emission control light on?

So, is it safe to drive with the Emissions Control Light on? Yes, as long as it is the only light that has come on, you do not have to worry about your safety.

How do you fix an emission control system malfunction?

What repairs can fix the P0440 code?

1. Tightening or resetting the fuel cap.
2. Replacing a leaking fuel cap that has a bad seal or vent in the cap.
3. Repairing or replacing leaking vapor system components like a vapor control valve or carbon canister.

What is emission control system malfunction?

The error code P0440 is associated with an evaporative emission control system malfunction. It indicates that there is a part of the EVAP control system not functioning as it should. The EVAP system is comprised of different parts which include the gas cap, carbon canister, fuel lines, purge valve or any other hoses.

What does it mean when it says check emission system?

CARS.COM — The check engine light on the dashboard is a warning that many vehicle owners dread. The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems.

Can you manually turn off check engine light?

You may also need to manually reset the light after making repairs if the code doesn’t clear automatically. The best way to reset a check engine light is to use a code scanner. However, if your vehicle was manufactured before 1996, you can simply disconnect the battery to reset the light.