Audi a4, 97 P reg 1.6L problem, who can answer?

take it to get a service at an audi dealership. Audi dealerships are currently offering a free MOT/service to any audi owner. just go to Audi.co.uk, and on the home page at the bottom, you should see a link called free MOT, put in car details, then call the dealership you chose and arange a date. they clean the whole engine so its bound to stop this problem