I had an oil leak from the filter
Was driving very easy and the cel comes on
slight power loss so i reduce speed
engine has oil in it
nothing sounds strange or smells or anything weird happened
car is totally stock
i replaced the filter and took off battery pole
let car idle for pprox 10mins and no light

my question is this, would that apparent "hole for pressure loss" cause this to happen or do i need to look for something else

can anyone else shed some light into this issue
Thanks