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Hi guys, HV 2004 Infiniti qx56, oil pressure is maxed in cluster, has 4 led bars, changed oil and filter 5w-30 syn blend, replaced oil pressure, still same, hooked up oil pressure gauge reads, above 60psi at idle and 90+ just at 1500rmp. I am thinking it could be the oil pressure relief valve behind the oil cooler. Which I HV no idea how to remove.
Or could it be something to do with the oil pump. Plz if someone had same issue, would be a huge help.
 

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There is nothing wrong with your oil pressure. The oil pressure sensor just above the oil filter has failed, that's why your oil pressure light in the cluster is maxed out. I removed my sensor in my truck, and installed a mechanical one instead. When am idling in park, my oil pressure is around 22psi, but when I cold start the morning, it's around 90psi. Hope that helps.

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