hiya guys and girls the problem`s have been sorted i.e the surging was a knacked idle speed control valve,the central locking was buggered wireing loom in the door in the end after changing everything else and the knock on the front turn out to be the anti roll bar lower arm bush was`nt tight enough only 1 pound of torque sounds stupid i know but it worked on mine thanx again for all the suggestion thay did help in tracking down the problems in the end