My car would not pass smog due to the on-board computer not completing the emission system's self-checks. the obdii monitor's (catalyst) was not ready. after driving thousands of miles and it not resetting i had to take it to a mechanic who had to replace both 02 sensors. 3 months later the check engine light is on for the very same 02 sensors.
I have taken this vehicle to several mechanics, auto zone found 9 codes, most of them were regarding misfiring in the engine. when on the highway or sitting still the engine stutters and sometimes stalls. the valves have been adjusted , the spark plugs and ignition coil packs have been replaced and the car has had a tune up. the engine still stalls out in the middle of the highway. i feel this is an unsafe vehicle, honda should recall and fix this problem. *tr