Originally Posted by dpkelly
Ah nice job.
One tip for everyone trying this...in the TSB for it Honda states to 'clean
or replace the EGR valve itself. I spent $3 on a new gasket for it and cleaned it out, new EGRs are over $80-90 easily. Don't replace it unless you're absolutely certain it's bad! Remember, it's just an electrically controlled valve, so it could just be stuck due to carbon buildup but the electrical components should still be working.