Q: I have a well-maintained 1998 Toyota 4Runner Limited with 239,000 miles. The truck has been awesome, no more than normal maintenance issues. The problem is one of the lifters is knocking. I hear it ...

You're tooling along on your way home from a cruise night or a car show when you pull up to a stop sign. As the engine drops down to an idle, you hear astrange sound from under the hood. It's not a ...

Add Yahoo as a preferred source to see more of our stories on Google. Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of ...