Egr delete

[davy1100]

My car 04 1.9 tdi 130 I had the emission workshop warning come up on dash so I fitted a delete kit and removed the egr I took the car to a fella who re mapped the car and deleted the egr problem is after driving about 30 miles warning light came on chain I've both the hoses blocked that where connected to the egr is there anything else I need to remove is there anything electrical or a sensor anywhere I've missed any help or advice much appreciated