disabling egr valve

[esetest]

Thanks to everyone for the advice , got a feeling its the ecu , I was told to test the voltage on the control circuit of the 2 purple relays in the engine compartment - 17v both sides , I had a couple of advisories at the last mot which will probably be expensive , so although she has been a good runner for the last 3 years ,time to get rid before she turns into a money pit .