The engine is going to be fubar.
The oil pump casting fails, this then allows the cam belt tensioner to fall off its mount, and then everything inside the engine gets a little bit to close for comfort.
Cost of repair may outweigh the cars value.
The code reader says it all to me.
Plus understanding after treatments systems is an art in itself, with many variables to catch out the tech never mind the diyer.
They really are very good.
A totally shagged out 200tdi is still better than the older engines.
But and it is a big but, they are pretty noisy inside the cabin, Glencoyne engine mounts certainly help, cheapest fix is them squishy earplugs that take the harshness out of the noise.
As for economy...
Get someone who knows what they are looking at to assess it first, as it may be beyond economical repair.
Just about every commercial garage hates old land rovers, as repairs always develop into more work.
The only old ones I have used were the ones you push onto the battery terminals themselves whilst looking into the cells, voltage over 10 and no bubbling in the cells meant it would take a charge and go again.
Like this
At work we were testing my 20 quid cheapy against the bosses brand new 70...
With the finance co behind you I reckon you will be okay, maybe some deduction for miles covered etc, but should get your money back, one of the only good reasons to get finance in my opinion.
You will like chris, he is a grade A personage of the highest order, just see his website to see for yourself.
He is even a member on here who checks to see what is said when his name wilts up.
The main problem with any chassis wax is it is not a one off treatment, it needs touch ups annually...