Service Emission System – What Does It Mean & How to Fix It

If your car’s check engine light is on, there’s a chance that the problem is with the service emission system. In this article, we’ll explain what this system is, what can cause it to malfunction, and how to fix it.

Is it safe to drive with check emission system?

It is not safe to drive with a check emission system warning light on your dashboard. This warning light indicates that there is a problem with your vehicle’s emission control system, which is responsible for reducing harmful emissions from the engine. A problem with this system can cause your vehicle to emit higher levels of pollutants, which can be harmful to the environment and your health. If you see this warning light, you should take your vehicle to a mechanic to have it diagnosed and repaired as soon as possible.

Is emission service necessary?

An emission service is a type of preventative maintenance service performed on a vehicle to ensure that it is operating as efficiently as possible and producing the least amount of pollution possible. The service includes a visual inspection of the vehicle’s emission control system, as well as a functional test of the system to make sure it is working properly.

Most emission services also include a tune-up, which helps to keep the engine running smoothly and at peak efficiency. A tune-up may include adjusting the engine’s idle speed, checking and replacing spark plugs, and inspecting the ignition system. These services are important in helping to keep your vehicle’s emissions low and preventing pollution.

Emission services are typically required by law in many states and provinces in order to renew a vehicle’s registration. In some areas, vehicles must pass an emissions test in order to be registered. Emission services are also often required when a vehicle is sold, leased, or transferred to a new owner.

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While emission services are not required for every vehicle, they are recommended for all vehicles in order to keep them running smoothly and efficiently, and to prevent pollution.

How much does it cost to fix emission control system?

The cost to fix an emission control system can vary depending on the problem. A mechanic will be able to give you a more accurate estimate after they have diagnosed the issue. However, some common repairs can range from $100 to $1,000.

Some common emission control system repairs include:

-Replacing the oxygen sensor
-Replacing the catalytic converter
-Repairing or replacing the exhaust gas recirculation system
-Repairing or replacing the positive crankcase ventilation system
-Replacing the air filter
-Tightening or replacing the gas cap

Drive normally for a while

Assuming the “drive normally for a while” means to drive the car as you would typically without any issues, this would allow the car to build up some pressure in the emission system. By driving the car, this will also help to loosen any blockages that may be in the system. If there are no blockages, then the car should be fine to continue driving.

Turn the car off/on three times

If your check engine light is on, and you’ve been driving for a while, you may be able to turn the car off and on three times to reset the light. This trick often works with older cars, but may not work with newer cars. If your car has a electronic control unit (ECU), the light may reset itself after a few days.

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Disconnect the battery’s positive cable

If you’re planning on doing any work on your car’s electrical system, you’ll need to disconnect the battery first. This includes things like replacing the car stereo, installing a new engine computer, or even something as simple as changing the headlights.

To disconnect the battery, first locate the positive terminal. This is usually marked with a “+” sign, and will have a red cable attached to it. Once you’ve found the positive terminal, use a wrench to loosen the nut or bolt that secures the cable. Once it’s loose, you can pull the cable off the terminal.

Next, locate the negative terminal. This is usually marked with a “-” sign, and will have a black cable attached to it. Use a wrench to loosen the nut or bolt that secures the cable, then pull the cable off the terminal.

With both cables disconnected, you can now proceed with your electrical work. Remember to Reconnect the battery cables when you’re finished.

Consult an expert auto mechanic

If your check engine light is on, it’s likely that your vehicle’s emission control system is not working properly. The emission control system is responsible for reducing harmful emissions from your vehicle, so it’s important to get it fixed as soon as possible.

There are a number of different parts that make up the emission control system, so it’s best to consult an expert auto mechanic to diagnose and repair the problem. They will be able to identify the root cause of the problem and recommend the best course of action to take.

In most cases, the repair will involve replacing one or more parts of the emission control system. This can be a relatively simple and inexpensive fix, or it may require a more extensive repair. Either way, it’s important to get it fixed as soon as possible to avoid further damage to your vehicle and to the environment.

Service Emission System – What Does It Mean & How to Fix It

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Must Read

1. The service emission system light is usually triggered by a problem in the emission control system.

2. The most common cause of the service emission system light being triggered is a problem with the exhaust gas recirculation (EGR) system.

3. Other potential causes of the service emission system light being triggered include a problem with the oxygen sensor, the catalytic converter, or the Evaporative Emission Control (EVAP) system.

4. If the service emission system light is triggered, it is important to have the vehicle diagnosed by a qualified technician as soon as possible.

5. There are a few things that you can do to help prevent the service emission system light from being triggered, including having the emission system regularly serviced, using the correct type and grade of motor oil, and avoiding extended idling.


Thanks for reading! I hope this article has given you a better understanding of what a service emission system is and how to fix it. If you have any questions or comments, please feel free to leave them below. As always, happy wrenching!

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