Only really had experience on the 1.6 and I've found:
If the glow plugs cannot operate, the vehicle will not complete a regen on the DPF. Nor will it regen if there are fault codes present. So you need to sort the glowplug fault out. The Turbo pressure fault codes may be due to sticking variable vanes within the Turbo. Easy enough to look at on the 1.6 as they come apart without having to dismantle the Turbo propellor shaft.

is a Garrett usually fitted to 1.6 (iirc). Strip down is easy, remove the turbo, and remove the 6 or so 10mm bolts around the exhaust housing. Be carfuel when reassembling, as the control lever is on the shaft housing. I find aiming it at the pinhole on the housing, where the locating dowel for the body is located, and aiming the gap in the control ring at the dowel on the other housing pops it together correctly.
Do not force it together, it should slip in quite easily, if not something's wrong!

Check the vacuum pipes and solenoid operation using a mityvac/guage, revving at a standstill will normally gain a response from the solenoid, so you can at least check ECU/vacuum pipes in the workshop before roadtesting, logging is required.

I'll stop waffling now.