What is a DoD on a Tahoe?

What is a DoD on a Tahoe?

Active Fuel Management (formerly known as displacement on demand (DoD)) is a trademarked name for the automobile variable displacement technology from General Motors. It allows a V6 or V8 engine to “turn off” half of the cylinders under light-load conditions to improve fuel economy.

What year did GM start using DOD?

2005
Since first introducing cylinder deactivation (Displacement on Demand—DOD—in the GM lexicon) in the MY 2005 Envoy and Trailblazer extended SUVs, GM has been steadily increasing the number of applications of its 5.3-liter V8 DOD engines, most recently announcing a 5.3-liter DOD engine for the 2006 Saab SUV.

What’s the AFM code on a Chevy Tahoe?

I have changed the plugs, swapped plug wires, … read more DOD/AFM issue on a 2007 Chevrolet Tahoe 5.3L Flex Fuel VIN code 0. I recently had a AFM lifter collapse.

What kind of fuel tank does Chevy Tahoe have?

DOD/AFM issue on a 2007 Chevrolet Tahoe 5.3L Flex Fuel VIN code 0. I recently had a AFM lifter collapse. I replaced all the lifters, 8 … read more

What does Chevy or GM engines does not have the AFM?

Was wondering what Chevy or Gm engines does not have the AFM… Vocational, Technical or Tra… I have a 2009 Chevy Avalanche. it has the 5.3 Flexfuel.

How to identify AFM components in an engine?

How to Identify AFM Engine Components. 1 1. Valley Cover. The AFM cover is called the Lifter Oil Manifold Assembly (LOMA). It’s ribbed with solenoids on the underside. It also has an 2 2. Engine Block. 3 3. Lifters. 4 3. Oil Pressure Relief Valve.

I have changed the plugs, swapped plug wires, … read more DOD/AFM issue on a 2007 Chevrolet Tahoe 5.3L Flex Fuel VIN code 0. I recently had a AFM lifter collapse.

DOD/AFM issue on a 2007 Chevrolet Tahoe 5.3L Flex Fuel VIN code 0. I recently had a AFM lifter collapse. I replaced all the lifters, 8 … read more

Was wondering what Chevy or Gm engines does not have the AFM… Vocational, Technical or Tra… I have a 2009 Chevy Avalanche. it has the 5.3 Flexfuel.