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I just bought used 2015 dodge 4x4 2500 cummins with 24k miles, I've had it a couple months and commute 100 miles a day over a mild mountain pass ( 8 lane freeway) tonight when slowing at the top of the pass for a construction zone my oil pressure warning light came on and chimed once when slowing for traffic (idle) it went away after 20 seconds and never returned...anyone have any clue what the heck? Truck now has 29k miles oil life 66% oil pressure at idle 31, 40-60 under 60mph...oil temp 199 coolant 179 I believe....
 

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Maybe a bad oil pressure sensor? :confused013:
 
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