What Dodge trucks have MDS?
Dodge trucks equipped with the Multi-Displacement System (MDS) technology offer drivers a unique blend of power and fuel efficiency. MDS is a feature that allows the engine to seamlessly transition between using all of its cylinders for maximum power and using only a subset of cylinders for improved fuel economy.
What is MDS?
MDS, or Multi-Displacement System, is an engine technology developed by Fiat Chrysler Automobiles (FCA) to improve the fuel efficiency of their vehicles. It works by automatically deactivating some of the engine's cylinders when full power is not needed, such as during highway cruising or light-load conditions. This reduces the engine's displacement and fuel consumption, leading to better gas mileage without sacrificing performance.
Dodge Trucks with MDS
Several Dodge truck models have been equipped with the MDS technology over the years, including:
- Dodge Ram 1500 (2005-present)
- Dodge Dakota (2005-2011)
- Dodge Durango (2004-2009, 2011-present)
The MDS system in these Dodge trucks can seamlessly switch between 4-cylinder and 8-cylinder modes, providing the power when needed and the efficiency when not. This helps to improve the overall fuel economy of the vehicle without compromising its towing or hauling capabilities.
Benefits of MDS in Dodge Trucks
The primary benefit of MDS in Dodge trucks is improved fuel efficiency. By deactivating up to four of the engine's cylinders, the MDS system can reduce fuel consumption by up to 20% in certain driving conditions. This can result in significant savings at the pump, especially for drivers who do a lot of highway driving.
In addition to fuel savings, the MDS system also helps to reduce emissions and engine wear, as the engine is not working as hard when in 4-cylinder mode. This can lead to longer engine life and lower maintenance costs over the life of the vehicle.
Activating and Deactivating MDS
The MDS system in Dodge trucks is designed to operate seamlessly, with the transition between 4-cylinder and 8-cylinder modes happening automatically based on driving conditions. Drivers do not need to manually activate or deactivate the system, as it is controlled by the vehicle's onboard computer.
However, some Dodge trucks may have an MDS disable button or switch that allows the driver to override the system and keep the engine in 8-cylinder mode at all times. This can be useful in certain situations, such as when towing a heavy load or driving in hilly terrain, where the full power of the engine is required.
What year did 5.7 Hemi have MDS?
MDS is only on Hemis made after 2005 and vehicles with an Eco function. If your vehicle was produced before 2005, you won't have MDS on your 5.7L Hemi V8. However, since 2005, a variety of Chrysler, Dodge, Ram, and Jeep models that offer a 5.7L Hemi engine come with MDS.
How much does it cost to delete MDS on 5.7 Hemi?
Just a Friendly reminder to get your MDS delete done before your lifter starts eating your cam, it can go from a $2,500 job to a $9,000 full engine rebuild job. If you have the money you could even do a bit of a performance upgrade while getting the MDS deleted and go with a bigger cam.
What RAM models have MDS?
Multi-Displacement System
- 2005–2023 Chrysler 300C.
- 2005–2008 Dodge Magnum.
- 2005–Present Jeep Grand Cherokee.
- 2006–2023 Dodge Charger.
- 2006–2009, 2011-Present Dodge Durango.
- 2006–Present Dodge Ram/Ram pickup (1500 only)
- 2006–2010 Jeep Commander.
- 2007–2009 Chrysler Aspen.
How do I turn off MDS on my Ram 1500?
That switch. Once we disable it we're going to go ahead and save it we're going to write the file. And your MDS will now be turned. Off now why would you want to turn off the MDS.
Which Mopar engines come with MDS?
ALL Mopar models 2005+ are factory equipped with the MDS mode UNLESS you have a Challenger with a factory MANUAL transmission OR you have custom tuned your vehicle to eliminate the factory MDS feature.
What years was the 5.7 Hemi bad?
A few model years, in particular, have proven more problematic than others. Model years 2011 and 2012 stand out when it comes to bad years for the 5.7L HEMI, with 2012 being an especially lousy period for Ram pickups. The biggest issue with the 2012 Ram 1500 is the infamous "HEMI tick."
Does MDS cause lifter failure?
If you install the modern muscle extreme or any custom camshaft, you must get rid of the MDS system. The MDS lifter does not interface correctly with the custom camshaft, resulting in a lot of lifter ticking issues. There have also been many MDS lifter-related failures.
Does the 6.4 Hemi have forged internals?
What materials are used in the construction of the 6.4L HEMI engine's components? Featuring all-forged internals, cross-bolted main journals, a nodular cast-iron block, and aluminum heads – Chryslerwent all out on what would become one of the best V8s on the block in some time.
Can you delete MDS on 5.7 Hemi?
To delete your MDS, you MUST: Upgrade to a non-MDS camshaft. Install non-MDS lifters.
Does 6.4 Hemi have MDS?
The 392 HEMI 6.4-liter engine is a powerhouse of performance, but like any complex machine, it can encounter issues from time to time. MDS failure, while not extremely common, is one concern that some owners may face.
