I took my car in yesterday to get my ERG Valve cleaned and new starter installed. While the mechanic had the upper intake off, I asked him could I take a look at it before he cleaned it out. It was nowhere near as dirty as ones that I've seen posted on here. In fact, there was barely anything in there. Later on that day though, I got on the freeway and took my foot off the pedal as I was going off an exit ramp. The TCS and CEL lights came back on which I'm almost certain that it'll be the EGR code again. Do I need to replace the EGR Valve or could it be something else?

 

Its possible that it is going bad. Make sure all the holes are cleaned along with all the little channels in the top plate to the IM and the main port leading down to the EGR

 

I took it back to the mechanic and they said there was nothing wrong with the valve but they would take a further look at it on Monday