Fiat Doblo - Knock / Rattle issue?

2009 Fiat Doblo 2009
Top of engine knock / rattle.
Throw in the comments down below what this could be??
- Red Oil light flashing On / red light constant On
- Oil level seemed fine
- Loss of power on motorway
- Shortly afterwards on startup this knocking / rattling starts

is it 1.2 8v engine or something else? Did you checked oil pump?

[@Andrzej-uf2kg]

Rod knock, ur engine gone.