my 2003 1.9dti vivaro gos in to limp mode after 2000 revs useuly between 50 and 70 mph the electronic light with scwiggly lines light up then goes in to limp home mode i have to turn it off and on again to carry on with my journey its driveing me mad i have so far in the last 2 weeks replaced the egr valve,the manifold pressior boost sensor and the mass air flow meter and its still doing the same iv rang the vauxhall dealers for addvice and they was a waste of time and ther price just to take a look at it take the p??s iused to love vavaros but im starting to hate the thing can any one please help if they have had the same trouble?