i have a 91' honda accord & everytime i hit the brakes when slowing down from a rapid rate of speed, my check engine light pops on. it has been doing this for almost a year i have a new battery & it still is on. i have put on new brakes on the front & it still is on. Someone please help with any good suggestions. It is really annoying. my dash board is lit up like a christmas tree.F.Y.I. the dealership can't figure it out with the tester b/c it is a 91'& the code-reader doesn't go back that far.