Load vibration only in reverse and deceleration on 2007 Honda Civic

Please help.I have a 2007 honda civic , auto with 51000.miles and for the past 2 years it runs bad while backing up only,there is a vibration, and when i decelerate.put it in drive it runs good,i put new plugs in, new air cleaner, new o2 sensor top side,clean sensor in air intake,sill sounds bad in reverse.please help

Asked by for the 2007 Honda Civic
try checking your front and rear motor mount.