How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars ...

Then again, how often to replace the spark plugs will depend on many things; like the type of spark plug, the vehicle's operating conditions, the type of gasoline used, and the odometer reading.

Metal contacts in the cap connect with contacts in the ignition wires to form an electrical link, and the current is passed along to each spark plug according to its firing order. This type of ...

In some instances, the spark plug wires could last over 100,000 miles, but it all depends on many factors, like the make and ...