I Might Just Know What I'm Talking About
Join Date: Sep 1999
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Re: O/T - Car loses oil pressure at low RPM\'s.....
Also how many miles on the car? Assuming it's not a bad sending unit, it seems that at idle your pressure is low, could be just that the engine is worn, and if the light comes on at 10 PSI or something, that the pressure is actually low.
I'd throw in a can of STP oil treatment, Barhdall's -- whatever thickening agent you see at your local Auto Parts store. Try to thicken the oil a bit, it should increase your low rpm oil pressure. Do you know what oil is in there? 5W-30? 10W-30? Perhaps a 10W-40 or a 20W-50 would improve it. As the warmer weather of summer approaches, you could switch to a thicker oil.