Failure Manual 95 Spanish Clx 1.3

Hello everyone, Kisiera knows that I can pass the Fiesta 95 Spanish Clx 1.3 Naftero or the Manual with the Fallas and its solutions since it has me crazy they scan it and it is fine a week later it begins to fail it accelerates when the clutch stepped on and not only that but when walking en route also does in fourth and in fifth the rpm to 2000 takes to return to 1000 or less Normal position I changed recently, mail Thank you very much