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

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.

Having a bolt snap off while you’re undoing it is a royal pain and can bring take the car off the road if it’s a critical fastener. You’re probably best off visiting a mechanical engineering shop (or ...

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 ...

Additionally, a shield will be installed to divert any fluid that might drop down from the positive crankcase ventilation system’s intake air house. A total of 720,796 vehicles are included in ...