Oil Pressure test instruction?

2001 DODGE RAM
126,000 MILES • V8 • 2WD • AUTOMATIC
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SADTHANG2487
  • MEMBER
  • 4 POSTS
When I am driving and come to a stop my oil pressure gauge drops but when I start back up it comes back up to normal. I was wondering what might be causing this. It only does this when it is in gear. In park the oil pressure gauge reads normal.

Weak pump, increase tolerances, or faulty gauge?
Jul 30, 2009 at 3:24 PM
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DANNY L
  • CAR REPAIR CONTRIBUTOR
  • 5,648 POSTS
Hello, I'm Danny.

That seems to be about normal. I've attached a picture below showing oil pressure specifications for your Dodge Ram. It shows 6 PSIat curb idle and at 3,000 RPMs between 30-80 PSI. Always be sure to use the correct oil viscosity when changing your trucks engine oil. Hope this helps and thanks for using 2CarPros.
Image (Click to enlarge)
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Jul 15, 2021 at 6:36 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.