Running at operating temperature around 40 psi.
Normal oil pressure at idle would be about 30 psi. Minimum would be about 10.
about 20psi at idle (warm) and 40 to 50psi at 2000rpm.
A full operating temperature it will be around 40 psi.
195 degrees F
Normal engine compression would be 100-125psi
should be 195 to 210 normal operating temp
No.
2,4bar both fully loaded and when not.
It could cause a high reading on the gauge.
It is on the front of the engine, just above the oil filter.
Of course it is not normal. You have no fuel pressure at startup, and the engine is starving for fuel. Look at the fuel pressure regulator or for leaking fuel injectors that are bleeding off at shut down. This is definitely not normal and anyone who tells you it is, should not be trusted to repair this vehicle.
On the back of the engine, next to the distributor.