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Old 09-28-2020, 09:14 PM   #1
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Power loss

Does anyone know how I can disable my MDS on my 2012 Ram 5.7 Hemi? It’s hesitating and the idle is getting rough not to mention loss of power. If I get in it really hard it will throw a check engine and then run really bad. It throws code P0305. When the light goes off it gets better but still runs like crap....I’m lost

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Old 09-28-2020, 09:28 PM   #2
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I am not a 2012 guru, but the rough running is causing the code po305 (misfire on cylinder #5) not the code causing the rough running. Pull the spark plugs and inspect..
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Old 09-29-2020, 04:58 AM   #3
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Old 09-29-2020, 11:10 AM   #4
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Old 09-29-2020, 07:00 PM   #5
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Old 09-29-2020, 08:37 PM   #6
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Welcome to HTC.

Pull the plugs and inspect if you don’t see anything swap all of cylinder 5 with another hole and re drive if still on cylinder 5 after that then you need to dig deeper and may be loosing a cam lobe which will mean a lot of work
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Old 09-30-2020, 03:17 AM   #7
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Old 10-06-2020, 12:16 PM   #8
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And, What Charged392 said.
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