Understanding Your Audi’s Check Engine Light
Your Audi’s check engine light has come on and now you’re left wondering what’s wrong. Is it a minor issue or something more serious? Knowing how to respond when this light appears is very important for every Audi owner. Here’s a guide on what to do when your check engine light comes on.
What Does the CEL Mean?
The check light is a part of your Audi’s onboard diagnostics system, or OBD for short. When it blinks, it indicates that the car’s computer has discovered a fault in the engine or the emissions system. This can be a steady or a flashing light. The difference between the two ways the light comes on, is that one is a normal fault detected and the other is an emergency situation.
How to Deal with the Check Engine Light
- Don’t Panic: First off, do not be afraid. A check light doesn’t necessarily indicate that a large repair is necessary. Sometimes, it is caused by something very minor.
- Check Gas Cap: One of the main reasons why the CEL comes on is due to a loose or bad gas cap. If the cap is not closed properly, it leads to leakage of fuel vapors, which could switch on the light. To correct this, just tighten the gas cap and check if the light will go off after a few drives. If the light continues to stay on and you’re sure the gas cap is the issue, then it has to be replaced.
- Observe Car’s Performance: Observe how your Audi is running. Is there any problem with performance, a squeaking sound, or any other unusual behavior? If the car appears to be in good working condition, then the problem could be a minor issue. But if you observe huge shifts in performance, it is advisable to seek the services of a mechanic.
- Use OBD-II Scanner: An OBD II scanner is a handy device when it comes to diagnosing the CEL. You can buy one or go to an auto parts store where scanning services are free of charge. Connect the scanner to the dashboard port and read the error codes. These codes will provide you with a clearer picture of what is causing the issue.
- Research the Error Codes: After getting the codes, you can search for them on the internet or refer to your Audi manual. Some of the common codes are P0300 for random misfire detected and P0420 for catalyst system issues. Knowledge of these codes will enable you to assess the level of the problem and the subsequent action to be taken.
- Address Minor Issues: If the trouble code points to a small issue, for instance, a loose gas cap or worn spark plugs, it is something that can be solved easily. Turn the gas cap until it is secure, replace the spark plugs, or do some other minor adjustments. After solving the problem, the light will turn off after several drive cycles.
- Regular Maintenance: The best way to prevent the CEL from flashing is to ensure that your Audi goes in for regular servicing. Stick to your car’s maintenance schedule, and change the oil and the air filter when due for a change. This means that even if there is going to be a problem, it can be detected early enough before it becomes a big issue.
When To See A Mechanic
If the CEL is blinking this means that there is a serious problem and it requires urgent fixing. Driving your Audi with a blinking light can lead to serious damage to the engine. In this case, it is advisable to park the car and have it pulled by a tow truck to the nearest Audi mechanic. If the light is steady, you can continue driving your car, though it is recommended that you take the car for service as soon as you can. Most drivers might be tempted to continue driving though. If you continue to drive with the light on, then there will be more severe and expensive consequences later on.
Visit Audi Experts You Can Rely On In Norcross
At Solo Motorsports, we have been 
in business as the auto repair company of choice for German cars in Norcross, GA since the year 2003. Our highly skilled mechanics also attend to Audi owners from nearby cities like Johns Creek, Downtown Atlanta, Gainesville, Lawrenceville, Alpharetta, North Alpharetta, and Roswell in Georgia. If you are experiencing a CEL problem, we have skilled experts who will analyze the issue and recommend quality repairs. We can be your one-stop shop for all your maintenance and repair needs to ensure your car is always in its best shape. Contact our helpline and book your next service appointment now.
