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  #11  
Old 02-13-2013, 05:04 PM
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My 2012 express is doing the same thing, The engine light came on and now the eco doesn't work either. I was hoping this was a problem coming to light, As I always thought the truck had a slow throttle response At low rpm's. Slight pressure on the throttle then a little more pressure, then a little more pressure,Still no response. Then I get a downshift and a burst of speed. I'm hoping the dealer can do a few mouse clicks and take care of this problem.
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  #12  
Old 02-13-2013, 05:32 PM
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i feel your pain Tom...sounds like a lot of them
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  #13  
Old 02-13-2013, 06:44 PM
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Take back to a dealer, why mess with it?
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  #14  
Old 02-13-2013, 10:35 PM
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I remember another member had posted that a Dodge service dept put 5w-30 instead of 5w-20 in his truck by accident. It caused the MDS issue and a CEL light.
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  #15  
Old 02-22-2013, 08:42 AM
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okay, took my truck to the dealer yesterday, they found a bad oxygen sensor. they change it out. no more light, and the truck has never ran so good as it does now. it must have been faulty from the get go.
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Old 02-22-2013, 05:38 PM
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glad is was an easy fix.
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  #17  
Old 05-08-2013, 02:18 AM
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How hard it is to change the oxygen sensor yourself? Dealership wants $260 to replace mine plus diagnostics. They also want $160 for a fuel filter. I've changed the fuel filter on my car and it was a pain to do but definitely worth the money saved. Any thoughts on either for DIY?
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  #18  
Old 05-08-2013, 06:50 AM
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For 260.00 dollars you can buy a new O2 sensor and a nice Code reader which will tell you what sensor is not operating in it's range. which is about .7 Volts. Depends on how much you like to get dirty. I had three go bad over time in my 05 Ram. Had to apply lots of heat to one of them to get it off.
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  #19  
Old 05-09-2013, 12:41 AM
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my brothers truck did same thing turns out it was a problem with a selonoid in the eco system 860$ job i belive its deffintaly a dealer thing trucks these days are less and less DIY, my laramie has had no probs yet, hope this helps ya out
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  #20  
Old 05-09-2013, 11:19 AM
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Same thing happened to me, brought it to the dealer they changed an oxygen sensor.
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