hi mate askin for some help once again hope u dont mind but my vz was recently serviced and they did not change the service kilometres and yesterday i started the car and it came up with service vechile soon (SVS) on the dash and now it runs like its on safe mode there is no power and the car want rev past 4 grand how do i change it or did i need to go back to these idiots to do it ? thanks 4 ya time once again mate