I looked over the meta file and it doesn't appear to have anything wrong with it. Does this do this with every vehicle? I know on occasion that if you are tagging vehicles for pullover and they try and run without you 'reporting it' it will usually take awhile to pull over another vehicle. This has happened to me on several occasions and I had no idea they were speeding off as I was not intending on pulling them over to begin with. Try going off duty first, back on duty and immediately try and pull someone over and report back.