Firstly, many thanks to all who have posted all the info on the forum.
From the list of codes to the "secret handshake pedal manoeuvre"
After a spirited exit from a roundabout the slip light blinked and then the dreaded engine light came on
Engine was well warmed up at the time and all fluids at correct levels.
Drove home keeping revs below 2k .
Got the CEL flashing the following sequence ....147114711471.....
Checking the list I assume it's 1147 heated O2 sensor 2.
SO THE BIG QUESTION IS....IS IT OK TO DRIVE UNTIL IT'S FRIDAY APPOINTMENT AT THE GARAGE?