What does it mean when my emission system warning light comes on?

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. A vehicle in this condition would fail an emissions inspection or smog check. Don’t confuse the check engine light with the maintenance or service light.

Is it safe to drive with check emission system?

It is safe to drive with an amber check engine light glowing on your dashboard, especially if you cannot detect any problems with the smooth operation of the car. However, it’s always best to find the reason why it came on in the first place, even if that means taking it to be looked at by a professional.

Why does my car say emissions system problem?

Failing to address an emission system problem can result in decreased fuel economy and performance and can even cause damage to the engine. Some common issues that can cause this warning message include problems with the gas cap, clogged air filters, and faulty sensors.

What is an emission control system?

Emission control systems limit the release of harmful gases from cars into the atmosphere. This includes hydrocarbons, carbon monoxide, and oxides of nitrogen. Engines, crankcases, fuel tanks, and carburetors are all sources of these harmful gases.

What is emission control system?

emission control system, in automobiles, means employed to limit the discharge of noxious gases from the internal-combustion engine and other components. There are three main sources of these gases: the engine exhaust, the crankcase, and the fuel tank and carburetor.

Can a gas cap cause the engine light to come on?

Fuel System Issues Faulty gas cap – Your vehicle is pretty good at warning you of any potential trouble. Something as simple as forgetting to replace the gas cap could cause your “check engine” light to come on. This is because the gas cap keeps vapors from escaping the fuel tank.

What does service your emissions system mean?

Hello – the “service emissions system” warning means that something in the emissions control systems is not keeping the engine emissions within boundaries set by the Environmental Protection Agency (or California Air Resources Board if you are in California).