Yeah the light is still on after cleaning out the EGR valve i unhooked from the battery to reset the computer and the light was off for about 10 minutes of driving then it came back on. i have been adding injector cleaner and so on to the gas to get some stuff away i got a brand new fuel filter that i will put on this weekend.
The problem with occasional studdering has been since i pretty much got the car about 6 months ago.