Does GM still use Active Fuel Management?

Does GM still use 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.

Does my 2010 Silverado have active fuel management?

The motor has an Active Fuel Management system that deactivates from V-8 to V-4 under certain conditions.

What year did Chevy use Active Fuel Management?

“Chevrolet first introduced its Active Fuel Management cylinder deactivation system in 2005, and Dynamic Fuel Management is a natural progression of the technology,” said Jordan Lee, Small Block chief engineer.

What is stabilitrak on a 2010 Chevy Silverado?

Stabilitrak helps your car go in a straight line once it is already moving. The system uses sensors to determine the position of the steering wheel and tires compared to the direction the car is moving. If you are on a slippery road and begin to fishtail, Stabilitrak will kick-in to help correct your path.

What year Silverado has AFM?

The 2019 Chevy Silverado 1500, which marked the launch of the completely overhauled fourth-generation for the light-duty pickup on the GM T1 platform, offered three engines outfitted with AFM technology, while two engines had a related technology known as Dynamic Fuel Management (DFM).

What are symptoms of a bad StabiliTrak?

Symptoms Of Service StabiliTrak Issue

  • A StabiliTrak warning light appears.
  • Hard shifting.
  • Loss of power/limp mode.
  • Trouble codes appear randomly, such as P0121 (Pedal position sensor), P0011 (Camshaft positioning A), P0521 (Engine oil pressure sensor), and C0561 (ABS disabled).

What year did Chevy stop using AFM?

The memo released today indicates that this change in the inclusion of AFM/DFM on 5.3L engines will run at least until the end of the 2021 model year. However, with no change in the supply of semiconductors worldwide, this engine change may run into the 2022 model year, GM-Trucks.com speculates.

Does 2011 Silverado have AFM?

Answer: No, and yes. GM’s Active Fuel Management, as with all cylinder deactivation systems, does improve fuel economy. But the amount of fuel savings between V-8 and V-4 mode is somewhat of a gray area because of all the variables. AFM is intended to apply under higher speed, light-load conditions.

Does a 2009 Silverado have cylinder deactivation?

Standard powerplant on 2WD models is a 320-hp, iron-block, Vortec 5.3-liter V-8 engine with Active Fuel Management (GM’s designation for cylinder deactivation technology).

How do I know if my 5.3 has DOD?

You can tell if your motor has DOD by peeking at the valley cover. If it is smooth, it does NOT have DOD. If has channels running through the top, then it does have DOD.

Why does my StabiliTrak keep coming on?

They can mean the system is malfunctioning, the system has been turned off, or the system is receiving a bad signal. Due to your traction service light being on as well, there is likely an issue with the system. You are absolutely fine to drive the vehicle.

  • August 24, 2022