You take your car in for an oil change. The work is almost done when the technician comes out to talk to you. Hes holding your air filter and PCV valve and recommending that you replace both because ...

What is an oil catch can anyway? Oil catch cans keep direct-injection engines from choking on their own blow-by — here's the quick-and-dirty on why you may need one. Think of an oil catch can as a ...

We may receive a commission on purchases made from links. Knowing the ins and outs of your vehicle is essential for any DIY fix, and that goes tenfold for the engine and all its parts. When it comes ...