I'd suggest best thing you can buy is a obdII device to plug into PC.
Free version of Multi ECU Scan is invaluable especially to modern engines.
Next thing search for egr cleaning, egr restrictor gaskets (about £6 for both), map cleaning & vgt vac hoses (3 or 4mm silicone do trick for a £). All cheap and easy and will get/keep car running sweet. Inspect top and bottom turbo hoses as common for splits to appear. Veloce, alfaworkshop, autolusso sell silicone replacements.
Anyway they are all easy DIY checks and items, cost sod all and are the things that cause issues over an over (likely 90% of all mscf failures). And for little time and money can be sorted/prevented so easily.