How Often To Change Spark Plugs

Spark plugs have an important job in your car’s ignition system. After the ignition coil generates a voltage charge, the spark plugs are responsible for carrying that charge to the engine’s combustion chamber — so that when you turn the key in the ignition, the chamber ignites and starts the engine. 

“When do I change spark plugs to avoid problems while I’m out driving in Costa Mesa?” It’s true that changing your spark plugs every 30,000 miles doesn’t mean they won’t wear out sooner. Check your owner’s manual for a more specific interval and be sure to keep up with your Jaguar model’s recommended maintenance schedule. Also, pay careful attention to the way your vehicle’s performance. If you notice any of the following warning signs, schedule service to see if it’s time to replace your spark plugs:

• Misfiring engine
• Poor acceleration
• Rough-sounding engine
• Decreased fuel economy
• Rough noises during engine idling
• Engine startup failure or slow engine start

Why Replace Your Car’s Spark Plugs?

Timely replacement of your Jaguar vehicle’s spark plugs helps to keep the ignition system healthy. You’ll also enjoy your car’s performance as it was meant to be, and experience benefits like:

• Optimal Fuel Economy – Fresh spark plugs can restore lost fuel economy by up to 30%.
• Optimal Reliability – Properly-functioning spark plugs help to keep combustion going in your engine, which means smoother operation while you drive.
• Quick Ignition – Fresh spark plugs will fire up your car’s engine right away, and you’ll definitely notice the difference when you replace worn spark plugs.
• Reduced Emissions – New spark plugs can help control harmful emissions and boost fuel efficiency.