Vehicle idles high when coming to a stop? on 2010 Honda Civic

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
esp when going into revs.
(2) Answers
Auto or manual trans? Describe 'high'----What RPMs? For more than 2 seconds? What RPM is Idle in neutral? Floormats in the way?
air/fuel mixture. have fuel pump tested. diagnostic will reveal prob. still under warranty? it may cover the work.