An update. Okay the car was taken for a regen but the guy couldn't get into the system to carry this out apparently. I picked the car up as i was told the ECU light was now out and to give it a motorway run to recheck. Hadn't even got home from the garage and the DPF light came on. Well, less than a mile down the motorway and the DPF light went out but the ECU light came back on again !! Strange thing there is no power loss but the light is staying when starting up ! Could the ECU light just need resetting now the power is okay ? Does anyone think i may need to replace the DPF ? At my wits end now. Need this sorting asap.