In Provo, UT, the days when Provo drivers changed their spark plugs every couple of years has ended. Back in the day, spark plugs really did wear out that often. A couple of things are different now&h...

The days when you changed your spark plugs every couple of years has ended.  Back in the day, spark plugs really did wear out that often.  A couple of things are different now.  First, ...

Question I’m confused about when I should get my spark plugs replaced.  What’s the deal? Answer Well it can be confusing because there are several types of spark plugs and some las...