“Fixed” for now I fear, time will tell

And why would you not fit a simple NRV in line if you think that HP pump is draining back. Hell, fit 2 or a double in line is a better, quicker, cheaper, easier way to fix that issue

various ways to skin the cat. but we are agreed not the(non existant) in tank fuel pumps then ?

I assume the beast started no bother this morning RRR

^^ I’ve no idea about most of the above 😃

The car did start this morning but I still have the niggling worry that air might be getting sucked backed into the fuel line very slowly. It took 300 odd miles for it to happen last time.

Starting to feel a little annoyed that I had to pay for a new filter when I had a new one already!

RRR, I think your split link had come undone.

Hmm, do I know you? 🤔