The fuel pressure regulator has a rubber diaphragm.
If the diaphragm ruptures, gas is forced into the intake thru the hose from the residual fuel pressure.
The gas leaks past the piston rings into the oil.
That’s what you’re missing.
Tester
The fuel pressure regulator has a rubber diaphragm.
If the diaphragm ruptures, gas is forced into the intake thru the hose from the residual fuel pressure.
The gas leaks past the piston rings into the oil.
That’s what you’re missing.
Tester