dodge 2500 4x4 5.7 hemi

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  #1  
Old 01-21-17, 02:00 PM
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dodge 2500 4x4 5.7 hemi

I just bought a 2004 dodge 2500 4x4 with the 5.7 hemi and for some reason my oil pressure drops to almost 0 and the check guages light comes on at idle but if I hit the gas it jumps back up to normal pressure is that an oil pump problem or something else
 
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Old 01-21-17, 02:03 PM
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Have you checked the oil level? does the engine make any noise at an idle?
 
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Old 01-21-17, 04:16 PM
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The "check gauge" warning on Dodge is pretty accurate and has saved my bacon on more than one occasion (alternator, overheating, etc.) Anytime a gauge goes out of parameter, it alarms. With that said, It would appear you either have a failing sending unit (hopefully) or your oil pump has gone south. You would need to drop the oil pan to get to the oil pump and it could be a PITA with the transfer case and front drive shaft will be in the way. Or as Marksr says, you could be low on oil or running the incorrect viscosity.
 
  #4  
Old 01-25-17, 09:55 AM
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How many miles on this vehicle?
Was it well maintained?
I would start with a compression test to see if it's "worn out"
 
  #5  
Old 02-06-17, 01:02 PM
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Slightly worn rods, and mains will cause a drop in pressure, maybe even a little oil use.
Sid
 
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