There are a number of important ignition parts under the hood of your Acura that you want to be sure and take care of. These are all contributing to the operation of your car and aid in the combustion process. These parts include your spark plugs, which are small but important parts in the system. The spark plug is the device that delivers electric current from the ignition system to the combustion chamber of the engine to ignite the compressed fuel and air mixture. If you are having some troubles starting the vehicle, then you might need to change the spark plugs. Other symptoms of bad spark plugs include slow acceleration, poor fuel economy and a misfiring engine.ÊÊKeep your engine running smooth by using OEM spark plugs when making replacements. Genuine Acura parts will always keep your vehicle running at peak performance!