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

1 answer
try checking your front and rear motor mount.