Have you ever been driving your Jaguar car, feeling particularly comfortable because of the car’s sophisticated features and luxurious interiors, when suddenly the check engine light comes on? That small amber warning is enough to send one into worry mode and thinking of what could be wrong. Despite this, it is best not to dismiss this light because it’s the car’s way of telling you that it requires some attention. Knowing the causes and fixing it in time will help you avoid having to spend a lot of money to have your Jaguar fixed later on.
Common Reasons Behind the Check Engine Light
- Loose or Damaged Gas Cap: You’d be amazed, but a loose, cracked, or missing gas cap is one of the leading causes of a check engine light. If the cap is not fitted tightly, fuel vapors can leak out, affecting your car’s emissions system.
- Catalytic Converter Issues: The catalytic converter reduces toxic pollutants in your Jaguar’s exhaust. If it is not working efficiently, your car could be rejected during an emissions check, and the check engine light will glow. If this is not addressed over time, the car’s engine will perform poorly.
- Ignition Coil or Spark Plug Problems: These components are very important in burning the air-fuel mixture in your engine. If they are worn or faulty, you may experience rough idle, misfires, or a noticeable drop in power, all of which can cause the light to come on.
- Mass Airflow Sensor Malfunction: This sensor determines the quantity of air getting into the engine to regulate the air-fuel mixture. If the mass airflow sensor is bad, fuel efficiency will decrease, and your Jaguar’s engine can be seriously damaged.
- Emissions System Failures: Today’s Jaguars use sophisticated emission control technologies to help reduce emissions of pollutants. Anytime a part of this system is not functioning properly or has a problem, such as the exhaust gas recirculation valve, the check engine light will come on.
What Should You Do When the Light Comes On?
- Check the Gas Cap: The simplest solution is to fix your gas cap, so check if it is in good condition. Make sure it is very tight, and also see to it that it has no cracks or any signs of ever having been damaged. If the light doesn’t turn off after some drives, there might be a problem somewhere else.
- Pay Attention to Performance: Pay attention to your Jaguar’s performance changes. Is the engine running rough? Is there a loss of power or fuel economy? These symptoms may help determine what causes the problem.
- Get a Diagnostic Scan: A Professional diagnostic scan is an excellent method for determining why the check engine light is on. Jaguar vehicles record error codes in their OBD system, which give details of the problem.
- Avoid Prolonged Driving: Although it may be more convenient to keep driving when you see the CEL, it is always wise to solve the problem earlier. If you continue to drive your Jaguar with the CEL on, even for some time, more harm is done to your car.
- Address the Problem Promptly: After the problem has been found, make efforts to fix it. It usually costs more to fix damages that were neglected or not attended to immediately after they occur.
Expert Jaguar Repairs Available at Dell’s Service Center
If your Jaguar is experiencing a CEL illumination, 
then Dell’s Service Center in Green Bay, WI, is here to assist you. All of our technicians are experts in the Jaguar car models and will provide your car with the attention it requires. Whether you need a simple fix, such as a new gas cap, or a more complicated problem, like the catalytic converter, we have the equipment and skills to do it.
We are pleased to work with drivers in Green Bay and other areas such as Manitowoc and Sturgeon Bay, Wisconsin. When it comes to your luxury car, it’s best to let professionals familiar with each model inside and out handle the job. Call us today or stop by our workshop to book an appointment and get your Jaguar attended by the best professionals in town!