Crude oil but there are several different grades of crude.
It is called Crude Oil
Crude oil
Crude oil.
Crude Oil
Crude Oil
Crude Oil
This oil is called crude oil.
Crude oil.
"Petroleum" products are distilled from crude oil, so what comes out of the ground is crude oil.
Oil that comes out of the ground is not synthetic but is called crude oil. Synthetic oil is man made with synthetic compounds. They are both oil.
Coal still in the ground is remains named as 'coal'. It is a carboniferous rock.
have the sending unit checked.and also check the circuit.it may be shorted to ground.