My engine have oil pressure only 3 bar at 3000 rpm and 1 bar at idle 650 rpm. No alarm when running but at startup alarm abt. 30 seconds (Much longes as before). Oil 15w40 level is correct, temperature is normal not any abnormal noice. Checked both pressure keeping valves at filter leg as well as replaced oil pressure sensor - no effect for pressure. What will be checked next?
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