A continuous thumping noise and floor shaking while driving on a 2000 Honda Accord could mean a loose exhaust system. It could also mean a bent frame or a broken spring.
Ignition switch
My 1998 Accord V6 gets, 25mpg in city driving and 31mpg on the highway at 70mph.
If it varies with driving speed, look for an out-of-round tire. If it vibrates only when braking, you probably have a warped brake rotor.
The car is broken.
wheel bearing?
what causes the light to come on
Have your alternator checked
Remove the muffler
maybe needs gas filter
Okay, you have a 2006 Honda Accord.
its a 2006 Honda accord