Oxford English and Spanish Dictionary, Synonyms, and Spanish to English Translator

Definition of tune up in English:

Translate tune up into Spanish

1also tune something up, tune up somethingAdjust a musical instrument to the correct or uniform pitch.
‘we hear a string quartet tuning up’
- ‘the band tunes up its instruments’
adjust, adjust to the correct pitch, tune up
2tune something up, tune up somethingAdjust an engine or mechanism so that it performs at maximum efficiency.
‘cars can be tuned up for greater power and economy’
- ‘state officials have been tuning up an emergency plan’