Nope decision is made. Lifes too short to keep farting around with a pile of French plastic. 
Sourcing the replacement is the next problem. 
Well done

I'm quite stubborn when it comes to fixing things and don't like to give up till the problem is resolved
BUT....
sometimes you just need to STOP and find something else to fix instead

My 2 pence worth moving forward
Astra H 1.7 cdti 2005 to 2008 (before DPFs ) Isuzu engine, 50 to 60 MPG
I've got 2 on the fleet for a few years now

common problems = alternators £100, decoke intake and EGR (and blank

) SCV £20