Which GM trucks have active fuel management?

GM Vehicles with Active Fuel Management Vehicles that are available with Active Fuel Management include the Chevrolet Avalanche, Chevrolet Impala, Chevrolet Silverado, Chevrolet Suburban,Chevrolet Tahoe and Chevrolet TrailBlazer.

Does GMC have active fuel management?

General Motors is now building 2021 Chevy Silverado 1500 and 2021 GMC Sierra 1500 pickup trucks without Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) technologies due to the ongoing global microchip shortage. The change is expected to continue through the 2021 model year.

Does the 2011 GMC Sierra have active fuel management?

“AFM is also currently used on the standard 5.3-L Sierra and Yukons with the 5.3, 6.0 or 6.2-L V8 as well as Chevrolet pickups and Chevrolet and Cadillac SUVs.”

How to disable Active Fuel Management on GM LS?

There are two ways to disable or delete Active Fuel Management on your GM or Chevy Gen IV LS or LS-based Vortec engine—one is to install an AFM Disabler, and the second is to install an AFM Delete Kit. Here’s what you need to know: 1.

How does Active Fuel Management ( AFM ) work?

AFM was designed to provide maximum fuel economy under light load driving conditions by deactivating the lifters on specific cylinders. On V8 engines, half of the cylinders are deactivated and on V6 engines, two of the cylinders are deactivated.

When did GMCs envoy start using Active Fuel Management?

I’ve read at many websites that the GMCs envoys, Chevys and saabs did start to come with AFM in 2005 with the LH6 motor,It says here it started in 2006 on the saabs, then the pick-ups got AFM in 2007.

Where is the oil filter in Active Fuel Management?

To help control contamination within the active fuel management hydraulic system, a small replaceable oil filter is located in the valve lifter oil manifold oil inlet passage. The oil pressure sensor monitors engine oil pressure and provides information to the ECM.

Is there a problem with GMC Sierra Active Fuel Management?

There is a problem with the active fuel management systems on ALL 2007-2008 Sierras that have the 5.3L or 6.0. The 4.8L model does not have active fuel management. For the old timers out there, it is the same issue as the Cadillac V8-6-4 engine. Make no mistake, If your vehicle has active fuel management, you have a problem!

Are there any Chevy Silverado pickup trucks without fuel management?

Which GM trucks have Active Fuel Management?

Is the Chevy Silverado still using Active Fuel Management?

2019 5.3L V-8 DFM VVT DI (L84) for Chevrolet Silverado Chevrolet and GMC will temporarily stop producing 5.3L engines with Active Fuel Management and Dynamic Fuel Management in the face of semi-conductor shortages worldwide.

Is the GMC Sierra 4.8L Active Fuel Management?

The 4.8L model does not have active fuel management. For the old timers out there, it is the same issue as the Cadillac V8-6-4 engine. Make no mistake, If your vehicle has active fuel management, you have a problem!

How does the Active Fuel Management System work?

The Active Fuel Management system is designed to increase the fuel economy of your engine, without decreasing its overall power potential. Read this article to find out just how this system works. This article applies to the Chevrolet Silverado GMT900 (2007-2013).

What does AFM mean on a Chevy Silverado?

This article applies to the Chevrolet Silverado GMT900 (2007-2013). The AFM system, or Active Fuel Management system, is used to limit the power of a GM 6-cylinder or 8-cylinder engine and help increase its fuel economy.

What is Active Fuel Management System?

Active Fuel Management (AFM) is a trademarked General Motors technology that improves gas mileage by shutting down half of the cylinders under light-load conditions to reduce fuel consumption. It is also known as Displacement on Demand (DoD) or cylinder deactivation.

How does GM AFM work?

The AFM system, or Active Fuel Management system, is used to limit the power of a GM 6-cylinder or 8-cylinder engine and help increase its fuel economy. The system itself is activated when the engine reaches certain perimeters, such as a cruising highway speed. This allows a 6-cylinder and 8-cylinder engine to run on only four cylinders.

What is Dynamic Fuel Management?

Dynamic Fuel Management (DFM), otherwise known as Dynamic Skip Fire, is a General Motors engine technology that shuts down the engine’s cylinders to optimize power delivery and efficiency. DFM is an improvement to Active Fuel Management , which it succeeds.