Drivers of 2006-07 Ford Freestars and Mercury Montereys may come into your store complaining of a popping sound from the engine compartment at idle. Once you have the hood open, you'll probably notice ...

A car engine is a piece of heavy machinery, and it isn’t surprising for it to make all kinds of sounds. The rotating shafts, the moving pistons and valves, the combustion process, and other engine ...