S40 (New) Engine 2.0D : Volvo S40 D3 2010 Possible Injector Issue?

[OlsBean]

I've an issue with my wifes S40 the engine is the D5204T5. This morning on the way to work she broke down (we live quite rural), the car started to lose power and it felt like it was not firing on all 5 Cyclinders and it would not even tick over properly.

A Neighbour and myself managed to tow the car to a local garage in our village (Not a Main Dealer or anything), the owner of the garage has had a quick look and has retrieved the code P062B followed by another 2 digits which changed every-time he retested. He does not think it is an injector itself because the code does not specifically point to one and he believes it is very rare for injectors on these cars to fail. I'm guessing it is looking more like something electronic or wiring etc. He does not have the time to spend troubleshooting it because he is very busy at the moment. So I am trying to find some information myself in the hope this speeds the job up as I am in need of getting this car back on the road ASAP for personal reasons. Like I've said we live in a very rural area of Scotland so simply taking it to another Garage or Main Dealer is a limited option and most probably going to be costly when I factor in the cost of transporting the car there!

I have searched and searched today but have not found much, I did find a post on this forum where someone had experienced very similar but unfortunately the poster did not share the fix he found.

Any help or advice would be so gratefully received, TIA