Hi all
Had to put my foot down earlier today and it felt like the Rev limiter cut in, returned home with no issues and on restarting the engine would not Rev above 3k or change up.
It feels as if the engine has a Rev limiter set to 3 k.
No warning messages on dash and in the last three months I have replaced all pumps filters and injectors.
Can anyone help ?

Thanks

Have you changed all 3 pumps ?
Can you get it plugged in to diagnostics ?

If not fuel starvation, sounds to me like something turbo related. The required volume of air not arriving at intake manifold.

I would look at:

Intercooler pipes: there are 2 large diameter rubber hoses one from turbo to intercooler, the other from intercooler to intake manifold. Check that they are not split or haven’t simply popped off. Mine used to pop off occasionally, usually from the bottom LHS, which is outlet from the intercooler. I would normally hear a loud pop when it let go. I replaced with silicon hoses, which fixed this.

Intercooler itself: harder to check, but if intercooler has sprung a leak (or many leaks) it will be spraying a fine mist of engine all all over ther front electric fan. Remove the grill to see it. Intercooler is a bit of a sod to replace. The right way is to take the whole front end off; I just about managed it through the LHS wheel arch.

Turbo itself: I’m not sure how you’d test for this apart from reading live values of air pressure. Even then, not sure where the pressure sensor is and whether pipe or intercooler problems would also result in low pressure readings.

Thank you both for your help.

I can't get to have a look at the diagnostics until after the weekend, but at least I have something to check in the meantime.
I really can't believe how ownership of an l322 means that it's off road (ie being repaired) more than its on.
Thanks again will keep you posted.