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Dakota w/wierd oil pressure
Posted by Ludwig on August 05, 2002 at 11:53:28 from (18.104.22.168):
At about 1900 rpm the 318 in my Dakota seems to give up on making oil pressure, the guauge drops like a stone. Then maybe it'll pop back up on its own, or I'll take my foot off the pedal and it'll come back.
Oil was last changed 1000miles ago, I change every 3000 religiously, just regular oil, not synthetic.
Another thing, at idle it seems like the oil pressure might be a touch high. It seems like before the gauge would run at about 1/3 of the way up (stupid gauges with no numbers) now it sits about about 1/2 when it drops I'm careful to not let it below 1/4 before I back off the pedal.
I'm thinking a pressure relief valve of some sort is opening up as the rpms get higher and not closing off soon enough or leaking for some reason.
Unfortunately I had to drive it that way from NH into MA where I live today, about 70mi total with it 90 degrees out. At 50mph it took FOREVER. On the good side I bet I got good gas mileage.
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