Do you remember the last time you were driving your Audi and you suddenly noticed that the dreaded warning light came on? The illumination of the check engine light is a common situation that every car driver must have encountered and it can cause anxiety to anyone. However, it is important to bear in mind that there are simple solutions that can be used to address Audi check engine light issues without necessarily incurring expensive repairs. Let’s get into detail on the typical reasons for check engine light illumination, how to address it, and where you should go for repairs.
Common Reasons the Check Engine Light Comes On
- Loose Gas Cap: One of the reasons an Audi engine warning light may come on is due to a loose or faulty fuel cap. A faulty gas cap can lead to a pressure leak in the fuel system, and that is what probably lights up the check engine light. However, this problem is quite simple to solve by either tightening or replacing the gas cap. Just be sure that the gas cap is tightly locked post-refueling, and the check engine light should turn off by itself after a few driving cycles.
- Faulty Oxygen Sensor: An oxygen sensor that is not working is another common reason why the check light in Audis illuminates. This sensor is the one that measures the amount of oxygen in the exhaust gasses and it helps to regulate the fuel delivery to the engine. When this sensor starts to fail, your engine will not understand the condition of the air-fuel mixture that is used for combustion, as a result, your Audi will begin to consume more fuel and at the same time release a lot of harmful gasses to the environment.
- Spark Plug Problems: If there are any damaged or clogged spark plugs in your engine, it may cause the check light to illuminate in your Audis dashboard. Spark plugs are the main components that take charge of igniting the air-fuel mixture in the engine’s combustion chambers. A failure of spark plugs may be due to either wear or fouling, which leads to misfiring and a reduction in engine performance. Replacing the old spark plugs with new ones is a very simple and inexpensive way to solve this problem and put off the check light.
There are so many other factors that can make the check engine light come on in your Audis dashboard, so it is best to leave detecting the cause of the problem to a trained mechanic. Let’s proceed with some steps you can take when you see this light on your dashboard.
What You Should Do When Your Audi’s Check Engine Light is Flashing
- Don’t Ignore It: You must have heard people say that when the engine warning light comes on, it’s not always a serious problem or doesn’t often need an emergency repair. Well, they might be partly right, however, as we mentioned earlier, there are so many reasons for the illumination of this light and your Audi case might be a very serious one which if not addressed immediately could result in more damage. On that note, it is important that you do not ignore or postpone finding a solution to the check engine light problem.
- Schedule a Diagnostic Test: If the check light stays on, it’s time to schedule a diagnostic test with a qualified mechanic or Audi specialist. They’ll use diagnostic tools to retrieve error codes stored in the vehicle’s onboard computer and pinpoint the exact issue your car is experiencing. After that, your mechanic will suggest possible repairs or component replacements to get your Audi running smoothly again without the warning lights coming on.
Audi Maintenance In Rochester
At Hagan’s Motor Pool, we’re proud to be 
the most trusted repair shop for European car owners in Rochester, NH, and beyond. Once you have chosen our ASE-certified mechanics to work on your Audi, you can be at peace knowing it will receive the best care and attention to detail. If you are in a situation where the check engine light light is on while you are driving your Audi, do not panic. Just come to Hagan’s Motor Pool for quick diagnosis and repair.
Our specialist will quickly examine the issue and work hard to find a solution for your Audi so that it is back on the road in no time. Whether you live in Rochester, NH, or surrounding areas like Alton, Barrington, Berwick, or Dover, NH, we are here to help you. Our team will give the best service to any Audi driver who visits our pre-owned dealership shop. Book an appointment today by calling (603) 332-6822.