Do I Need To Change Spark Plug Wires

Do I Need To Change Spark Plug Wires. I dont think anyone on this site would only change one spark plug. Check that the intallation is working Related posts.

You want all of your spark plugs to match and have nearly the same levels of electrical resistance as all of the other plugs. So if you find a wire with significantly less or more resistance you know that its defective. Whenever you change spark plugs it is a good idea to replace the ignition wires and vice versa.

When youre ready to replace your spark plugs at the regular interval or if they have become damaged start your search here for high-quality Toyota replacement plugs.

We recommend changing them during spark plug changes whenever your owners manual recommends usually between 60000 and 100000 miles. Changing spark plugs in general is no more difficult than removing the spark plug wire or coil-pack from the plug itself and unthreading it out of your engines cylinder head. This is necessary due to the aging of the spark plug wires from exposure to extreme temperatures hot and cold engine chemicals oil grease coolant etc and electrical stresses. Perhaps the best way to tell if your spark plug wires need to be replaced is to test their resistance.