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  #1  
Old 07-27-2009, 06:24 PM
feclark47 feclark47 is offline
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Default '08 Hemi 4x4 Hesitation When Shifting

I have an '08 Ram Hemi with the multiple displacement engine. Around town at lower speeds, it feels like it is staying in the 4 cyl mode way too long. If I slow down to an almost a stop, but then slowly accelerate it hesitates then kicks in and goes. I only have 17K miles on it.

Can the electronic controls be set such that it does not go into 4 cyl mode at lower speeds, especially around town?

I use 89+ octane fuel so its not that.

Any ideas or others having similar issues?
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Old 07-27-2009, 06:57 PM
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boostjunkie1 boostjunkie1 is offline
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SIMPLE.......... Put the truck in Tow-Haul mode while in the City...... This turns off the MDS!
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Old 07-27-2009, 08:10 PM
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57Hemi08 57Hemi08 is offline
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The best way is to buy a Diablo Predator Tuner and turn it off.
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Old 07-27-2009, 11:36 PM
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Quote:
Originally Posted by 57Hemi08 View Post
The best way is to buy a Diablo Predator Tuner and turn it off.
-------Not really the best way unless he wants to not have MDS at all...... Why spend allot of $ -> to just void your warranty and get worse MPG's....? Hitting the Tow Haul button is Free and does the same thing, but also allows you to put the truck back in MDS mode for the Highway .... I hate the way the truck acts in town while in MDS. Out on the 2 lane / Highway at 55 to 67 MPH the MDS works....

Boost
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Old 07-28-2009, 05:20 PM
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Thanks for the simple fix. I'll try it.
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Old 07-29-2009, 10:23 AM
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Hitting the tow/haul button isn't all that good for your truck if you are not towing. It makes your motor rev higher rpms before it shifts and gives a rougher shift. And unless you are going down hill with the wind behind or live where the roads are flat everywhere, MDS won't give you better gas mileage. It turns your truck into a 4cyl! You can get a tuner for around $375 which will pay for itself in a years time with the gas you save. If you want to take your truck to the dealer for service just put the stock tune back on your truck. Warranty not voided!
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