The oil pressure reads 25 idling and about 45 at highway speeds. Sometimes running at highway speeds it will show 25 and minutes later it will go back to 45 lbs. It does not change if you slip it in neutral and rev the engine. Nothing sounds like low oil pressure no loud valves or bearing even at start up. Any sugestion as what the problem may be? Thanks
1997 Dakota 318 CI. 113,000 Oil pressure fluctuates
Jul 07, 2006
3 Replies
I agree that it is likely the sending unit (it is not a switch because it does not only have a on/off function)
----------------- The SnoMan
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Had a problem like that on a 98' Dakota. Oil pressure would be about the same as yours and change going down the road. Put a new sending unit and it still did the same thing. Turns out it was the oil filter and it was a brand new fram. went and got a Wix Filter and oil pressure jumped up to almost 55 to 60 PSI- The highest its ever been. The Wix oil filter solved the problem- so try a WIX filter.
Brian
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