What Dodge trucks have MDS?
When it comes to Dodge trucks, one of the standout features in certain models is the Multi-Displacement System (MDS). This technology is designed to improve fuel efficiency by deactivating half of the engine's cylinders under light load conditions. If you're wondering which Dodge trucks come equipped with MDS, this guide will provide you with the details you need.
What Is MDS and How Does It Work?
The Multi-Displacement System (MDS) is a fuel-saving technology developed by Dodge (and its parent company, Stellantis). It works by shutting down four of the eight cylinders in a V8 engine when full power isn't needed, such as during highway cruising or light acceleration. This reduces fuel consumption and emissions without compromising performance when power is required.
Which Dodge Trucks Feature MDS?
MDS is primarily found in Dodge trucks equipped with HEMI V8 engines. Below is a list of Dodge trucks that commonly feature MDS:
- Ram 1500: Most Ram 1500 models equipped with the 5.7L HEMI V8 engine include MDS. This feature is standard in many trims and configurations.
- Ram 2500: Some Ram 2500 models with the 5.7L or 6.4L HEMI V8 engines also come with MDS, though it may vary depending on the trim level and year.
- Ram 3500: Similar to the Ram 2500, certain configurations of the Ram 3500 with HEMI V8 engines may include MDS.
How to Identify If Your Dodge Truck Has MDS
If you're unsure whether your Dodge truck is equipped with MDS, here are a few ways to find out:
- Check your vehicle's owner's manual. It will specify whether MDS is included in your truck's engine configuration.
- Look for the "Fuel Saver" indicator on your dashboard. When MDS is active, this light typically illuminates.
- Consult your dealership or a trusted mechanic. They can confirm whether your truck has MDS based on its VIN (Vehicle Identification Number).
Benefits of MDS in Dodge Trucks
There are several advantages to having MDS in your Dodge truck:
- Improved Fuel Efficiency: By deactivating cylinders when full power isn't needed, MDS helps reduce fuel consumption.
- Lower Emissions: With fewer cylinders firing, your truck produces fewer emissions, making it more environmentally friendly.
- Seamless Performance: MDS operates smoothly and automatically, so you won't notice any interruptions in performance when it activates or deactivates.
Conclusion
Dodge trucks equipped with HEMI V8 engines often feature the Multi-Displacement System (MDS), a technology that enhances fuel efficiency without sacrificing performance. If you're considering purchasing a Dodge truck or want to learn more about your current vehicle, understanding MDS can help you make informed decisions about fuel economy and performance. For any questions or maintenance needs related to your Dodge truck, feel free to contact Kevin's Autos for expert advice and service!
Frequently Asked Questions
Can you delete MDS on 5.7 Hemi?
To delete your MDS, you MUST: Upgrade to a non-MDS camshaft. Install non-MDS lifters.
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."
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.
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.
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.
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.
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.
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.
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.
