engineproblems

So after having serious problems with a miss fire under load and lots of flat spots and spending lots of money on new timing belts aux map sensor lambda sensor etc etc and it still not running right, i decided to start unplugging all these new sensors because why not!!!....what harm could it do...

I have a 2000 Clio 1.4 16v when I start it and the engine is cold sometimes it will Rev really high up and down for 5 mins ish. if you try to move it when it's Reving it's self to death it will just bog down and turn off and won't start straight away. Also some times when your driving it will...