Alright Im not sure if the new accords are like this but you should be able to check what code the engine is throwing yourself. Somewhere under the passnger glove box should be a little connector that looks like it goes to night probablt blue in color and has a two connection holes http://www.team-integra.net/sections/articles/images/connector1.jpg this is what you are looking for this do this http://www.team-integra.net/sections/articles/images/connector2.jpg . You want to do this with the car off. Now start the car with the paper clip completing the circuit you should see the CEL do a series of flashes. Long flashs are the first digit and short are the second. ie LONG SHORT SHORT is a code 12 EGR System Problem.