Oil and engine management light come on when I put my foot down ??

[cully]

diesel hp pump probably eat itself as it needs the diesel to lubricate itself,
this was one of the problems that arised when people started to run homebrew bio and or veg through the HDI .
HP pumps used to seize and throw the cambelts bashing the valves into the head

lets hope you can save it
but you maybe looking for another engine