If your engine is stalling, sputtering, running rough, misfiring, or detonating, you may have a problem with your Ford Focus spark plug wires. You will find your Focus spark plug wires running from your distributor to the various spark plugs located in your engine. Spark plug wires feature a thick silicon jacket that serves to direct the tens of thousands of volts of electricity running through the wires whenever your engine is running.

Of course, it is essential that the coating of your Ford Focus spark plug wires remains in good shape and free of cracks or surface imperfections, because when the electricity is presented with a path to escape the wires, your engine is going to experience running problems. It is a good idea to periodically check your Focus spark plug wires for signs of damage.

However, keep in mind that you will not always be able to detect problems just by looking at the wires, since there may be cracks on the underside of the coating or damage to the wires themselves. Spark plug wires are inexpensive and easy to replace, so you do not have to worry about wasting money or time whenever you install new ones. You should replace your Ford Focus spark plug wires with every engine tune-up, or whenever you replace your spark plugs. Be sure that you purchase a set of genuine Focus spark plug wires that is made for your vehicle’s year, make, and model, as spark plug wires are different lengths in order to reach the various spark plug locations in your engine.In our extensive online catalogue, you will find a great selection of spark plug wires and high-performance spark plug wires to choose from.