Does My Jaguar Have a Bad Ignition Coil?

Your Jaguar consists of a complex system of interworking parts and pieces that depend on one another to perform optimally at all times. When one of these parts becomes worn out or fails, it can cause a chain reaction of problems leading to engine trouble, including total engine failure. Jaguars are incredible cars, known for their luxury and high quality. If you drive a Jaguar and notice that the performance is dwindling or becoming unreliable, it can be disheartening; however, general, ongoing maintenance can help keep your car in optimal running condition. Furthermore, routine inspection of certain parts of your Jaguar is essential to ensure that every system is working at its best.

There are many parts that require specialized attention in order to maintain their efficiency. One part in particular that Jaguars have become associated with is the ignition coils. While it is normal for ignition coils to become worn in all cars at some point, Jaguars in particular may wear out ignition coils especially quickly. This could be due to a combination of unique design, engineering, and the driver’s individual driving habits; however, it is important to keep in mind that this does not lessen the quality of a Jaguar vehicle—in fact, every brand has its own typical issues, which is why it’s important to find an automotive specialist who can help identify the typical issues associated with your particular car. Here is some more information about the signs and symptoms of ignition coil failure and what can cause them to wear prematurely:

Engine misfiring

Engine misfiring is a common symptom of ignition system problems. This can create extremely rough running conditions, which is especially upsetting if you drive a Jaguar—a car that is synonymous with luxury and smooth driving. When an engine misfires, it means that something is causing the combustion process to become interrupted, leading to extremely erratic behavior. Since there are other potential causes of engine misfiring, it is important that your trusted automotive specialist perform a thorough differential diagnosis.

Fuel economy lowered

Another troubling symptom of ignition coil failure is overall decreased engine performance, which includes fuel efficiency. Jaguars aren’t especially known for their gas mileage, although when you notice a significant shift in fuel economy, it is usually an indicator that a part needs attention. It helps to keep track of how often you fill your gas tank as well as your driving habits to rule out potential causes of lessened performance.

Stalling issues

Along with engine misfiring, stalling is a common symptom associated with ignition coil malfunction. Rough running can also include engine stalling, which makes it especially difficult to get from point A to point B at any given moment, making your high-end Jaguar feel incredibly unreliable. If you notice engine stalling, it could be related to another less critical engine component; however it is best to have the issue addressed immediately.

Worn out spark plugs

One of the main causes of ignition coil failure is worn out spark plugs. When spark plugs begin to become worn, it highly strains the ignition process. Ignition coils derive energy from the car’s battery, turning low voltage into high voltage, but without proper-functioning spark plugs, the ignition coils must work even harder to help the spark plugs in the ignition process. If you are experiencing any symptoms of ignition coil failure in your Jaguar, it is important that your automotive specialist first inspects the spark plugs to find the source of the problem—otherwise, replacing your ignition coils will be ineffective in the long run.

Here at Cerrone’s European in Redwood City, CA, we treat every client as if they are our own family. Our specialty in Jaguar maintenance and repair makes us qualified to attend to all Jaguar models. We know that auto maintenance is often the last thing on our clients’ minds, so we try to make the process as simple, painless, and affordable as possible. We even provide a free rental car or free windshield wiper blades with over 1 hour of automotive service labor. If you think your Jaguar might have damaged or failing ignition coils, or for any other automotive service, contact us today to schedule an appointment. We look forward to making your life easier and more enjoyable by keeping your Jag in the best running condition.

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