It didn't do it this morning both times I fired it up
you really did buy another shed didnt you 
It is mk4 engine based

You got that recovery truck yet?
Cleared all codes ( I didn't take down the codes already there ) took it for a drive and tripped out the turbo again whilst waving at a BIG convoy of old busses and other dubs on the Wallingford 'ring road' and got this when I got home, as expected after an over boost.
Control Module Part Number: 038 906 019 BF
Component and/or Version: 1,9l R4 EDC G000SG 1088
Software Coding: 00002
Work Shop Code: WSC 00020
1 Fault Found:
17965 - Charge Pressure Control: Positive Deviation
P1557 - 35-00 - -