Cheers for the help
turned out to be the emmision light (picture of an engine not a valve
Gave it a code read and it says 02 sensor not present, now I know the lambda on the downpipe has been changed (and it's still shiney) however the wiring going to it looks a little bodgetastic all wrapped up with insulation tape......
So tomorrow I think i'll take at look at that first and give it a test with the meter, I'm assuming it's a cheap universal one so I may change it for a proper bosch one....
OPCOM has paid for itself already
At least it wasn't what she said it was in the first place, rings me (while driving down the road) telling me she thinks the oil light is on!!!