So, just to level with any potential help, I am utterly clueless and ramble because of that xD   I purchased a glanza v at christmas, very quickly after I had issues, that turned out to be a crack around the stud where the ex manifold bolts to the head.    So I gave it to a garage, for removal, and they sent it off for welding etc.  My car returned, not working properly (fine untill you hit boost) no lights on dash for boost either  The work receipt had a note on it...