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Old 02-13-2012, 01:46 PM
crusher crusher is offline
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Join Date: Oct 2009
Location: quebec canada
Age: 31
Posts: 2,117
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Vehicle: 2014 ram sport crewcab rambox
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Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Quote:
Originally Posted by TNC View Post
This came up on another post on the site, and I was under the impression that the MDS didn't come on until the engine was up to operating temp or at least a more reasonable temp. I found on my '12 Express that the MDS appears to come on at the first opportunity, and that's well before any reasonable operating temp has been achieved. Not sure how the earlier models read MDS engagement. I don't have EVIC, so the "ECO" symbol in my dash readout has an "ON" symbol when MDS kicks in. If I'm driving in a manner suited to the MDS coming on, it seems to always come on regardless of the temp. Regardless of the constantly changing "ON" light for MDS, I think one can easily tell when it comes on and off if you're in tune with how your vehicle responds. I don't find it annoying, but I can almost always tell when MDS is in operation...except perhaps some highway scenarios at speed where the MDS operation is pretty well seamless.
mine also goes on when the engine is cool, even if it was just started,.., with my muffler its easy to hear it on,.. and also have the eco light
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2014 ram sport crew cab with ram box,side steps,sport hood,remote starter,8 speed &3.92 gear lsd,4 corner air susp,knn intake,mufflex 18, BT catchcan,bakflip F1 cover
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