What does it mean when my Honda Civic says check emission system?
Seeing the "Check Emission System" warning on your Honda Civic's dashboard can be concerning, especially if you're unsure what it means. This message is part of your car's onboard diagnostics system and is designed to alert you to potential issues with your vehicle's emissions control system. In this article, we'll break down what this warning means, why it appears, and what steps you should take to address it.
What Is the Emission System?
The emission system in your Honda Civic is responsible for reducing harmful pollutants released into the environment. It includes components such as the catalytic converter, oxygen sensors, exhaust gas recirculation (EGR) valve, and evaporative emissions control system. These parts work together to ensure your car meets environmental standards and operates efficiently.
Why Does the "Check Emission System" Warning Appear?
There are several reasons why this warning might appear on your dashboard. Some of the most common causes include:
- Faulty Oxygen Sensor: The oxygen sensor monitors the air-to-fuel ratio in your engine. If it malfunctions, it can trigger the warning light.
- Loose or Damaged Gas Cap: A loose or damaged gas cap can cause fuel vapors to escape, leading to an emissions system error.
- Malfunctioning Catalytic Converter: The catalytic converter reduces harmful emissions. If it's not working properly, your car's emissions may exceed acceptable levels.
- Issues with the EGR Valve: The EGR valve helps reduce nitrogen oxide emissions. A clogged or faulty valve can cause the warning to appear.
- Problems with the EVAP System: The evaporative emissions control system prevents fuel vapors from escaping into the atmosphere. Leaks or malfunctions in this system can trigger the warning.
What Should You Do When This Warning Appears?
If your Honda Civic displays the "Check Emission System" warning, follow these steps to address the issue:
- Check the Gas Cap: Ensure the gas cap is tightly secured. If it's damaged, replace it with a new one.
- Schedule a Diagnostic Test: Visit a trusted auto repair shop to have your car's onboard diagnostics system scanned. This will help identify the specific issue causing the warning.
- Address the Problem Promptly: Once the issue is identified, have it repaired as soon as possible to prevent further damage to your vehicle and ensure it meets emissions standards.
- Regular Maintenance: Keep up with routine maintenance, such as oil changes and air filter replacements, to prevent future emissions system issues.
Why It's Important to Address This Warning
Ignoring the "Check Emission System" warning can lead to several problems, including reduced fuel efficiency, increased emissions, and potential damage to your car's engine or catalytic converter. Additionally, if your car fails an emissions test, you may not be able to renew your vehicle registration in some states.
Conclusion
The "Check Emission System" warning on your Honda Civic is a sign that something in your car's emissions control system needs attention. While it may be as simple as tightening the gas cap, it could also indicate a more serious issue. At Kevin's Autos, we recommend addressing this warning promptly to keep your car running smoothly and environmentally friendly. If you're in need of diagnostics or repairs, don't hesitate to contact us for professional assistance!
Frequently Asked Questions
How many miles do I need to drive before emissions test?
Drive at least 100 miles after maintenance and at least 200 miles after a battery replacement or disconnection to help reset the system.
Is it safe to drive with the check emission system on?
Is It Safe to Drive with the Check Emission Light On? Technically, you can still drive your vehicle even if the check emissions light is on. However, it's not recommended.
Are emissions problems serious?
Having an emissions issue is not only bad for the environment and makes it hard to breath, it can also decrease your vehicle's fuel efficiency and cause other issues. It's important to pay attention to signs of vehicle emissions issues, even when you don't have an emissions test coming up.
How much does it cost to fix check emission system?
If your vehicle failed emission testing and it needs repairing, then the cost will depend on the exact cause, but the repair work typically starts around $200. Replacing your exhaust system depends on the type of car you drive, but that work starts at approximately $175.
What does check emission system mean on a Honda Civic?
When you encounter an “emissions system problem”, it refers to an issue or malfunction within the vehicle's emission control system. Like in any other model vehicle, Honda's emission system is designed to reduce harmful pollutants emitted into the atmosphere as a result of the combustion process.
Is emission system problem bad for your car?
The performance of your engine can be affected by exhaust system issues and emissions problems. You want to get a comprehensive inspection if you notice your engine isn't functioning normally, it's wasting power, sputtering, etc. There could be a problem related to emissions or even engine damage.
Can bad gas cause emissions problems?
These gasoline vapors may produce errors in the emissions system, which would cause the check engine light to come on. Dirt and Grime that gets into the gas tank could also contaminate the fuel injectors.
How do I fix my check emission system?
Diagnosing & Fixing the Problem
- Tighten or change your gas cap. Check the rubber seal on the inside of the gas cap to make sure there aren't any cracks or damage.
- Replace your air filter.
- Change faulty oxygen sensors.
- Take your vehicle to a mechanic.
Can I drive my Honda with an emission system problem?
As long as there are no obvious engine performance issues (like skipping or chugging) or shifting issues, then it is perfectly safe to drive the vehicle. The EVAP System is strictly for emissions, so even where there is a problem in the system, it will in no way effect engine performance or reliability.
How much does it cost to fix an emission system?
If your vehicle failed emission testing and it needs repairing, then the cost will depend on the exact cause, but the repair work typically starts around $200. Replacing your exhaust system depends on the type of car you drive, but that work starts at approximately $175.
