Question:I own a 2010 Chevy 1500 Silverado with a flex-fuel 5.3-liter Vortec V-8. The motor has an Active Fuel Management system that deactivates from V-8 to V-4 under certain conditions. This is my ...

Is the V8 lifter nightmare finally over? One 2026 Chevy Silverado owner dug into his VIN data and found the news every truck enthusiast has waited for: Has GM officially removed DFM to solve ...

General Motors’ Active Fuel Management system has been around long enough to earn both fans and vocal critics, and that split has created a simple but urgent question for buyers: which GM engines ...

We may receive a commission on purchases made from links. Imagine you could get all the brawny output of a robust V8 engine in your truck when needed, but also get improved fuel efficiency while ...