[doctorgonzo]

Originally Posted by vskid3

While you're waiting for the ERG parts, try unplugging the EGR valve's power. It should stop the bucking, but the CEL will come on eventually. I didn't notice any other issues with mine unplugged, except that mileage may have dropped a tiny bit (hated the bucking so much I decided it wasn't worth it to plug it back in and check).

I’ll try that.