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    Oil pressure drops to 0 and triggers alarm in 05 2500 Duramax

    The issue has reoccurred for the past 5 years and I have learned to live with it. It is intermittent in that I can go many days and even 1000's of miles with no problem. When the issue arises a slight increase in rpm will shut the alarm and message off. It may or may not happen at the next...
  2. 0

    Oil pressure drops to 0 and triggers alarm in 05 2500 Duramax

    2005, 2500 LLY. Pressure sensor has been changed twice. Stepper motors in dash have been rebuilt. Engine runs fine. Problem is intermittent. When cold oil pressure is above mid way and drops to just below 1/4 when hot except when problem arises. When the problem arises pressure drops to 0 at low...