So what your saying is that the oil pressure reg. is failing at idle, allowing oil to leak out, and is causing low oil pressure at idle.
I was always under the impression that a reg. set at 8bar would be sealed until the pressure was ~ 8bar, not beginning to leak from < 1bar.
I was always under the impression that the reason for lower oil pressure at idle, was from worn bearings and a worn oil pump itself.
I guess I better pull the pan off and add a shim to my oil press. reg to up my oil pressure at idle, its only around 1.9bar.
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