What does DoD stand for?
General Motors Displacement on Demand® (DoD) engine control system has the ability, under certain light load driving conditions, to provide maximum fuel economy by deactivating four of the engines eight cylinders.
What does DoD stand for on a Pontiac Grand Prix?
2005 Pontiac Grand Prix Displacement on Demand (DoD) System Description System Operation General Motors Displacement on Demand® (DoD) engine control system has the ability, under certain light load driving conditions, to provide maximum fuel economy by deactivating four of the engines eight cylinders.
What does DoD mean on a GMC Sierra?
General Motors Displacement on Demand® (DoD) engine control system has the ability, under certain light load driving conditions, to provide maximum fuel economy by deactivating four of the engines eight cylinders. The engine will normally operate on eight cylinders in V8 mode during, starting, idling, and
How does the DoD system work?
When the DoD system is commanded ON, the PCM will direct the solenoids of the oil manifold to open and direct pressurized oil to the valve lifters. Oil travels through the manifold and engine block oil galleries and enters the inlet port (6) of the valve lifter. When operating in V4 mode, pressurized oil forces the locking pins (11) inward.
What is an AFM engine?
How to disable active fuel management on a LS engine?
What does DOD mean in engines?
Displacement on Demand (D.O.D), Active Fuel Management (A.F.M), or automotive variable displacement is a technology that turns off half the cylinders in an engine to improve fuel economy in most GM or Dodge gasoline-powered engines.
How do I get rid of active fuel management?
How to Delete AFMReplace your camshaft with a non-AFM camshaft.Swap out the AFM lifters for standard lifters.Replace the valley cover with a flat, non-AFM valley cover.Disable the AMF system with the Range Technology Disabler, or custom tune it out.Plug the pressure relief valve in the oil pan.More items...•
How do I delete DOD?
2:325:33When it comes to the dod manifold the valley cover there's a couple different ways you can deleteMoreWhen it comes to the dod manifold the valley cover there's a couple different ways you can delete that as well in our kids we offer of course the stock valley.
Is DOD and AFM the same thing?
Active Fuel management (AFM) and Displacement on Demand (DOD) are the same thing: a system developed by General Motors that deactivates cylinders during periods of low engine load.
How much does it cost to delete DOD?
Ballpark $1600 labor seems common for DOD delete depending on how much "Extra" work they do while they're at it.
Can you turn off Dynamic Fuel Management?
The Range AFM/DFM Disabler allows your V6 or V8 GM vehicle to run in full cylinder mode at all times, preventing the Active and Dynamic Fuel Management systems from dropping cylinders. Our patented technology is the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU.
What is the purpose of a DOD delete?
An actual DOD delete involves replacing the lifters and valley cover along with various other little parts to complete get rid of the internal pieces involved in letting those 4 cylinders shutting down. The DOD pieces restrict cam size and that is why a lot of people delete it when doing cam swaps.
Does my engine have DOD?
You can tell if your motor has DOD by peeking at the valley cover. If it is smooth, it does NOT have DOD.
How do I know if my car has active fuel management?
1:456:22They're taller and can be identified by the springs mounted on the top engines with afm also use aMoreThey're taller and can be identified by the springs mounted on the top engines with afm also use a special camshaft. High volume oil pump. And a pressure relief valve in the oil pan.
Can I delete DOD and keep VVT?
Unless you are adding a huge cam there is not reason to delete the vvt. Ditch the dod and get a solid vvt cam. If you are just trying to delete the vvt on a stock cam that makes no sense. You would be going backwards.
Can HP Tuners Turn off DOD?
1:524:50You go engine lean and then DoD. And you can enable and disable it right here.MoreYou go engine lean and then DoD. And you can enable and disable it right here.
What is a DOD delete on a 5.3 Chevy?
$604.95. Details. This COMP Cams® DOD Delete Kit allow for removal of the Displacement on Demand/Active Fuel Management System on Gen IV 5.3L GM LS engines.
The Ultimate Guide To DOD / AFM Delete - GM-Trucks.com
What is better than a detailed write up? A detailed video This is a multi part, step-by-step series where we are fully deleting the Active Fuel Management (AFM) / Displacement on Demand (DOD) system from my 2014 Silverado with the 5.3L. This process is the same for most Silverados, Sierras, Tahoes, Yukons, and Suburbans made after 2006.
How to Delete or Disable Active Fuel Management (AFM)
I have a 2011 Chevy 1500 5.3 4×4 the AFM very rarely engages snd when it does it only engages for a couple seconds snd then straight back into v& mode it’s actually making me use more gas and I’m using about 21/2 -3 quarts of oil between changes I was getting 18.5 mpg average it has dropped to 13.5 mpg I have changed plugs wires air filter but can’t get mileage back up and truck seems ...
DOD delete and NOW PROBLEMS ! | GMC Truck Forum
Recently had my 07 Avalanche with 190K miles did the stuck lifter thing... Decided to go ahead and put a reman engine with Gen III lifters, camshaft etc, so it's DOD deleted, along with ECM programming the DOD/AFM delete by AMS racing. The engine seems to run and sound perfectly- but one BIG...
Best tuner to turn off AFM? - GM-Trucks.com
I have an AIRAID 200-985 MIT intake tube for sale that was on my 2014 Silverado 1500 5.3L for a week. I still have original box, instructions, stickers, and parts and pieces. Pretty much brand new. $100 plus shipping or best offer. Please PM to me if interested. So, why am I selling this? The CAI...
What is the goal of DOD?
One thing Meagher did share with PHR is that the goal of DOD (on the limited range of SUVs currently planned) is to allow additional vehicle mass (in the form of increased content) without a commensurate decrease in fuel economy or performance.
Why was the Cadillac failure a windfall to the DOD?
In one sense, the failure of the Cadillac was a windfall to DOD engineers because the design obstacles had been clearly defined years ago.
What is the down side of cross-purpose?
The down side is that they are usually at cross-purposes where one goal (fuel efficiency for instance) must be sacrificed for the other (power). Unfortunately, it's a compromise we're all too painfully aware of in our quest for performance.
Is the Loma throttle body interchangeable with the camshaft?
Since DOD relies on the use of electronic throttle control, the throttle body is not interchangeable with earlier cable-actuated throttle bodies.
How many levels of car dod?
The DoD has four (4) levels of CARs. The level depends on the severity of the nonconformity and the level of supplier management visibility required to adequately address corrective actions. The levels are:
What is a car?
Definition: A Corrective Action Request (CAR) is a type of change request that documents a problem with a product or process and requests the root cause of a nonconformity be removed.
How to develop a car?
These are: Step 1: Define the problem and detail the corrective actions that need to take place to solve the problem. Step 2: Conduct a Root Cause Analysis. Step 3: Define appropriate CAR level. Step 4: Determine the appropriate time to issue CARs.
What is a level 3 car?
A Level III CAR may be coupled with contractual remedies such as reductions of progress payments, cost disallowances, or business management systems disapprovals, etc. A Level I or II CAR need not be issued before a Level III CAR is generated. All Level III CARs shall be coordinated with the Contracting Officer.
What is an AFM engine?
AFM engines use special lifters for cylinders 1, 4, 6, and 7. They are taller and have special oil holes. Engines with AFM also use a special camshaft, a high-volume oil pump, and a pressure relief valve in the oil pan.
How to disable active fuel management on a LS engine?
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. Install an AFM Delete Kit.
