Dodge cylinder deactivation




Dodge cylinder deactivation

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  • Asked by Mike Sep 02, at AM about the Dodge Ram It shuts down some of the cylinders for better fuel mileage while cruising. .. To do a quick fix and deactivate your trucks MDS, just simply press the (+-) symbol your your.

    Chrysler's Multi-Displacement System (MDS) is an automobile engine variable displacement technology. It debuted in on the L modern Hemi V8. Like Mercedes-Benz's Active Cylinder Control, General Motors' Active Fuel Management, and Honda's Variable Cylinder Management, it deactivates four of the V8's "Give Deactivation its Due" – Ward's Auto World via archive.

    We explain cylinder deactivation – a means of shutting down half of your engine to save fuel. How does it work?.

    Dodge cylinder deactivation

    Dodge cylinder deactivation

    Otter, on the Diesel you can go all the way to a mid 98 model. I hate the MDS feature, I feel constant hesitation at many different speeds. Truck has miles. Just clocked over 22mpg the other day doing 70 over a mile hwy trip. That must be why his isn't a POS.

    Dodge cylinder deactivation

    Dodge cylinder deactivation

    Dodge cylinder deactivation

    Dodge cylinder deactivation

    Dodge cylinder deactivation

    The modern Mopar Hemi V8 engine

    Asked by Mike Sep 02, at I was wondering if anyone other than me absolutely hates the MDS system in their Hemi engines. Does anyone know how to disable it without having to by a Diablo Predator tuner? I know you can cut and cap the wire, but then the check engine light will stay on. Does anyone have any solutions for me? Chase answered 9 years ago. John answered 9 years ago. It shuts down some of the cylinders for better fuel mileage while cruising.

    Once throttle is applied again all cylinders begin firig again for full power. David answered 8 years ago. MDS stands for Multi Displacement System, which when at highway speed will shut down to use only four cylinders instead of all 8 to save on fuel consumption.

    Dodge cylinder deactivation

    When you step on the gas to climb a hill or pass another vehicle or just to hear that HEMI Roar, the other 4 cylinders will automatically kick back in.

    Paul answered 8 years ago. Zak answered 8 years ago. Johnny answered 8 years ago. Dan answered 8 years ago. Josh answered 8 years ago. I guess the 35's confuse the computer into switching the mds on at any speed. Brent answered 7 years ago. Soory, but I just don't get it What's the big deal, so it "vibrates" a bit I have found that it will improve the fuel milage, by how much, I really don't care NotAfan1 answered 7 years ago. I have a Ram with the mds.

    Dodge cylinder deactivation

    It is constantly kicking in at low speed and periodically it will kick on while I'm attempting to accelerate. From time to time it lurches as the computer figures out to turn it back off. This has been happening since I acquired the vehicle new May There is a TSB out there that says to reprogram and that will "smooth out the transition.

    Like others I have not found that the gas savings are worth the hassle. I'll pay for the gas. If I want better mileage I'll buy a civic. Dealership was not helpful at all. Allen answered 7 years ago. It sounds kick-ass on 8 cylinders, but sounds like a UPS truck on it's last legs when in 4 cylinder mode. One friend asked me what was wrong with my truck, and if it was going to make it. Service Dept can't find anything wrongservice manager rode with me and felt the misfireshe stated that it had something to do with the cylinders shutting down to save gas and then firing back up for more power.

    Maybe so but this should not be doing this as much as it is. Filed complaint with Jeep customer service in detroit. Mine doesn't misfire but when the MDS kicks in the entire truck vibrates. Best gas mileage is 15 to 16 mpg. I agree something is wrong here and I hope the dealer can correct it before I go broke putting gas in it. I hate driving it thats for sure. Chase answered 7 years ago.

    Dodge cylinder deactivation

    What octane fuel are you guys using? I had issues when I ran 87 and occasionally Ran the best on Even 93 seemed to cause issues with mine. It was really weird.

    But when I used 91 it ran perfect and I got 24 mpg hwy in my C. This is direct from the chat with the Ram Hemi Engineers. With the console shifter, this is just one hit to the left.

    Challenger MDS: worth it?



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