4th Gen Ram Tech 2009 - 2018 Rams and the 2019 Ram Classic: This section is for TECHNICAL discussions only, that involve the 2009 - 2018 Rams and the 2019 Ram Classic. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

09 mds

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Jan 22, 2009 | 11:09 PM

#21

relative2989

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Joined: Jan 2009

Posts: 12

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From: MI

Hmmmm, no indicator but, why would your rpms drop? The mds shuts off fuel flow to those cylinders. Basically turning them into air boxes. The rest of the engine is working to keep you at speed.

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