hi

ive got a problem with my golf over revving, it idles normaly just under 1000 rpm then after 10 seconds it creeps up to just over 1000rpm, last time it done it I changed the scv (suction control valve) and that cured it but the problem has now come back again 8 months later, it also feels like the timing could be out as it has a slight engine judder on idling but not sure what could be causing the problem

any ideas would be grateful


rob