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If the oil pressure gauge in a 2000 dodge avenger moves from low to high depending on your RPMs does that mean your oil pump is bad?
Wiki User
∙ 12y ago
It surely depends on a few things, do you have the proper viscosity oil in the engine, how long has it been since you changed it. Running thinner than recommended or old oil will cause the pressure to show lower than optimal. How big is the pressure swing if it moves back and forth within the normal range then that is fine, pressure should increase with engine rpms but if it goes from below normal to above normal then you will have to start with a fresh oil change and filter, then change out the oil pressure sending unit, then move on to crankcase ventilation and possibly oil pump. Running a thicker than normal oil will give you a higher oil pressure normal than the thinner oils and is sometimes a good thing to do when engines get up there in miles, engine treatments such as Lucas oil stabilizer will help keep the oil from thinning out with high temperatures also.
AnswerNo, more likely it means that the rod and main bearings are worn, probably the result of inadequate maintenance.Wiki User
∙ 12y ago
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