Well, friends, I hope you can help me, I am repairing the chevy engine year 1992, all the bench and connecting metals were changed to the engine, the cylinders were rectified and the pistons were changed and the hoops, the oil and others I slow the light on the dashboard that marks oil, to try to solve the oil for another, the problem followed, and the entire electrical system was reviewed which has no problems, but in the same way I kept turning the oil light, we measured the pressure of oil in the oil filter coup In manuals ... it tells me obstructed filter and lavish camshaft bearing, the tea axis is incorporated into the cylinder as well as the photo shows it ... qe solutions give me