An oddly specific check engine light is creeping into GR Corolla conversations, and it's not just modified cars that are ...

The 6.7L Cummins diesel engine is known for its power and durability but requires proper maintenance. One often-overlooked part is the CCV (Crankcase Ventilation) filter. Ignoring it can lead to ...

Even a powerful BMW G80 M3 can't escape human error. One owner's washing routine led to a smoking exhaust and limp mode, revealing a critical lesson in car care.

Although some maintenance schedules include an interval for replacing the positive crankcase ventilation, or PCV, valve, others may not. In the latter case, a general recommendation is to replace ...

A significant part of these on-road emissions used to come from the crankcase — up to 30%, according to a 1962 study — but thanks to changes in engine design, that's no longer true.

Think of an oil catch can as a tiny quarantine ward spliced into your engine's positive crankcase ventilation (PCV) hose. Every time a piston fires, a wisp of combustion sneaks past the rings, ...

Spiracle CFS systems reduce blow-by emissions generated from an open crankcase vent and prevent fouling of turbochargers or intercoolers in CCV systems. Also reduce in-cab fumes and draft tube ...

Air leaking into your car—not out of it—can be a problem. Popular Mechanics’s automotive experts outline the tools and techniques proven to smoke out even the toughest to find vacuum leaks.

A CCV filter, or crankcase ventilation filter, isn't unique to the 6.7-liter Cummins engine, but it's also a common feature on the Duramax diesel and Ford's Power Stroke diesel engine.

I had a PCV (crankcase ventilation valve) problem with my 2015 Holden Astra. The valve was replaced but the process snapped a bolt in the motor and we’re having problems getting it out. Having a bolt ...

When voluntarily adding an oil catch can to your non-direct injection engine vehicle, it is believed to be an alteration to your vehicle’s positive crankcase ventilation (PCV) system. So, before ...