Edmunds Answers

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  • alaskanj 03/06/10 1:38 pm PST

    Did you put a pressure gauge to verify this problem or are you going off of the oil pressure sending unit. How is the oil level and the condition of the oil? Might be just a bad oil pressure sending unit.

  • karjunkie 03/06/10 1:42 pm PST

    Most common problem for your oil pressure reading to be going away, is the oil pressure sending unit (sensor) has gone bad. It is located next to the oil filter, check and replace this sensor first and see if your oil pressure returns to normal. If not then you may have an oil pump problem.

  • zaken1 03/06/10 2:44 pm PST

    If the sending unit is good; the oil pressure relief valve may be sticking open. This is a spring loaded ball valve; which is usually located in the oil pump housing or the oil filter mounting base.

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