I was on the way to work this morning, pulled up to a set of traffic lights and the revs started to jump between 500 - 1500 then settled down. Drove for any 10 mile or so and got stoped at another set of lights, it idled at 1k then slowled increased to 2750ish and kept doing this. I haven't been driving hard, fairly easy, hasn't be above 60mph. Still having this issue now, any ideas or quick fixes? I'm thinking something to do the the TPS or has hose has came off. I've a 20 mile journey to make after I've finished work and no tools :/ Edit: I haven't had a chance yet to look under the bonnet as I has to go into work.