Peugeot 206 2000 1.1 - car revs going up and down - pauls440

Hello all I have just joined this form so hi

Ok I have just bought a 206 1.1 for my daughter but the revs go up and down and its hard to drive ,

Can any help please

Peugeot 206 2000 1.1 - car revs going up and down - rebel

Most likely a vacuum leak

Check all your pipes around the inlet manifold area and listen for hissing at idle speed