2012 Ram 3500 throwing a P0191 code
It says fuel rail pressure sensor. Possible fix fuel filter or sensor. I replaced fuel filter and disconnected the batteries for about 20 minutes and code is still there. Do I need to leave them d...
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Well after a week of driving and over 300 miles code has not come back. So I would have to say it was the fuel filter that threw the code. I'm happy that was an easy fix.
