egr monitor never get ready to pass smog emission

no check engine no codes car runs fine but i need my tags to drive the car but egr monitor never get ready i try many thing even took the car to puente hill subaru and they toll me just drive the car they charge me and they do nothing for me

help what can i do

drive cycle done

replace egr valve done

clean egr passages done

egr vacuum solenoid done

knock senor replace

catalytic replace done

air fuel sensor replace done

disconnect ecm reconnect repeat drive cycle done

2000 miles drove nothing work