You'll get a code on some cars as your ecu will expect to see a lower maf reading than what it's getting with the egr disconnected.
Just block the single one to the egr to try it. If it works and causes no elm then remove all vac lines related to the egr and asv.
Just block the single one to the egr to try it. If it works and causes no elm then remove all vac lines related to the egr and asv.