Parts for your 2018 Nissan Serena-Ignition coils

Ignition Coils on the 2018 Nissan Serena: What You Need to Know

The 2018 Nissan Serena is a popular people mover known for its roomy interior and practical features. When it comes to its engine components, particularly the ignition system, it's important to understand whether ignition coils play a role and what that means for maintenance and servicing.

Ignition coils are a vital part of many petrol engines. Their job is to convert the 12-volt power from the car's battery into a much higher voltage that is needed to create a spark at the spark plugs. This spark ignites the air-fuel mixture inside the engine cylinders, which powers the vehicle. Without functioning ignition coils, an engine would struggle to start or run properly.

However, the 2018 Nissan Serena comes equipped with a modern engine setup that may not use traditional ignition coils in the way some other vehicles do. The Serena often masks typical ignition coil designs due to its engine technology, particularly if it uses a direct ignition system where coil-on-plug units are integrated directly above each spark plug. This design eliminates the need for high-tension ignition leads that used to run from a central coil to the plugs. Instead, each spark plug gets its own ignition coil mounted on top, increasing efficiency and simplifying the ignition system.

So, to clarify, ignition coils absolutely are present and relevant on the 2018 Nissan Serena, but they are built into a coil-on-plug system rather than a single standalone coil unit. This setup helps improve ignition timing precision, reliability, and makes servicing easier in some ways.

When considering maintenance for the ignition coils on a 2018 Nissan Serena, it's good to be aware of their role and typical lifespan. These coils are designed to be quite durable, often lasting the full length of the car's service life. Still, like any electrical component, they can fail over time due to heat exposure, vibration, or electrical wear and tear.

Common symptoms of a failing ignition coil include:

• Engine misfires or rough idling
• Difficulty starting the engine
• Reduced fuel efficiency
• Check Engine Light turning on
• Loss of power or hesitation during acceleration

If any of these signs are noticed, it is a good idea to get the ignition coils checked by a qualified mechanic. They will usually use diagnostic equipment to pinpoint any faults, as misfires can be caused by issues in other parts of the ignition or fuel system.

Replacing ignition coils on the 2018 Nissan Serena is a fairly straightforward task for experienced technicians. Since the coils sit directly on top of the spark plugs, accessing them just requires removing the engine cover and unplugging the coil units before lifting them out. New coils are installed in reverse order.

Regular servicing of the Serena, which includes checking ignition components, can help keep the vehicle running smoothly. Most manufacturer service schedules recommend inspection of ignition parts around every 60,000 to 100,000 kilometres, though this can vary based on driving conditions and usage.

It's also worth noting that when replacing ignition coils, it's best to replace all coils simultaneously rather than one at a time, since wear usually affects them evenly. This approach avoids disparities in ignition performance and can prolong the life of the ignition system.

Maintaining the ignition coils includes keeping the engine bay clean, ensuring connectors and electrical plugs are secure and free of corrosion, and avoiding modifications that increase heat or electrical load beyond factory specifications.

By understanding the role of ignition coils in the 2018 Nissan Serena's ignition system, owners can better appreciate their importance in engine performance and fuel efficiency. Proper maintenance and timely replacement of faulty coils ensure the Nissan Serena performs reliably and efficiently for years to come.