General Motors' active fuel management system is an ingenious piece of engineering. Here's what it does, how it works, and why some hate it.

"Sludge an inch thick!" Nate's 2000 Toyota Tacoma deal he drove from Maryland to NJ just got way less sweet. A "simple" valve ...

The 5.3-liter V8 Ecotec3 might seem like the stepchild of the General Motors family, especially with the LS series of engines around, but it's a winner in its own right. This naturally aspirated ...

General Motors has recalled over 62,000 Chevrolet Silverado trucks due to a brake defect that poses a fire risk. A faulty brake pressure sensor assembly may leak fluid, causing an electrical short. GM ...

Take a look at this meticulously restored 1970 Chevy K5 Blazer in all its glory. iOS 26 lands today—here's what it will change 'Won't happen again': Stephen King apologizes for claim about Charlie ...

If you have a Duramax diesel engine under the hood of your Chevy or GMC truck, you might be able to get some cash from the folks at General Motors. GMC Sierra and Chevrolet Silverado models that were ...

For several years now, GM customers have voiced complaints about valve lifter failures across a wide range of V8-powered vehicles. The issue affects GM’s Small Block V8, most notably with the ...

If you are wanting a reliable car, that drives smooth, this is the car for you! Hands down the best car I have ever owned! I have a 2016 SXT Rear Wheel drive with the 3.6L V6 engine. I am the original ...

General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut down half of the cylinders in a V8 or V6 engine to save fuel. The system ...

A mechanic issued a warning to drivers about purchasing Jasper Remanufactured Engines and Transmissions after experiencing a series of “embarrassing” issues on a repair job. TikTok user John ...

The 3rd-gen Chevy Silverado 1500 had a fairly short lifecycle, lasting only four years. That does not mean it's a bad truck. Nobody expected it to be replaced, but Chevrolet introduced the 4th ...

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...