Try using touches of pedal, as opposed to flooring it. Always listen carefully to the sound your making, your ear is an excellent teacher.
Sure your teacher will be able to tell you want sounds good in lesson, but lessons are different than performances. In a performance, on an unfamiliar piano, in unfamiliar acoustics, it is your own ear that will help you execute a successful musical expression.
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Beethoven may have used the pedal very differently due to the instruments of his day, of which had much less resonance than modern pianos. He may have even held the pedal down for a long periods across contrasting harmonic progressions.