That rhythmic knock under the hood could mean five very different things.

Q I have a 2006 Honda Accord four-cylinder with 105,000 miles. It has developed a clicking engine noise on a cold start. After the car has warmed up, the sound goes away. I have seen references to a ...

GM tells dealers that V8 engine ticking at idle is normal, and no repairs are required. More information is available on ...

I have a SEAT Leon 2015. When cold there is a knocking noise coming from the engine. It sounds like it is in the area in front of the steering wheel. It's always when started and seems to go away ...

Besides preventing the build-up of nasty engine sludge and premature wear, protection against cold starts is one of the main reasons why you should never skip an oil change in your gasoline or diesel ...