Thread: Low oil pressure!
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Old 01-18-2018, 12:50 PM   #7 (permalink)
40 to 332
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Join Date: Apr 2013
Location: Kimberley, BC, CANADA
Posts: 452
Drives: 13 370Z BS M6 Sport
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Quote:
Originally Posted by TBatt View Post
It could be the sending unit for your oil pressure gauge. If the idiot light hasn't come on but the pressure is reading that low that could be the problem. The light has it's own sending unit.

I have an AEM oil pressure gauge and it reads about 30-35psi at idle with the oil around 180°F.

Keep in mind that the Z runs very high oil pressure. The bypass valve kicks it at about 105 psi so if you got a oil pressure sending unit that can't go above 100psi it could have been damaged. When picking out the oil gauge I almost made the mistake of getting a 0-100psi gauge. I did a little research and found that a 0-150 is better suited for the Z.
I agree. The problem may be with your oil pressure sensor. Another member (Spearfish) reported similar symptoms using an AEM pressure gauge. After some investigation, he traced the problem to the transducer in the sensor crapping out. You can order a replacement Defi sensor, albeit they are pricey.
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