They made an incomplete work on my car and informed me the Car is moving and is ready for collection

They made an incomplete work on my car and informed me the Car is moving and is ready for collection. I went and discover that the are problems still. When I took my car for return job they told me EUC is burned. "I am amazed by the fact that the car moved after it gave us problems while we were there. I took them to MIOSA, and they said foci pull off the case they will find a second hand ECU. And because I informed MIOSA about their plan and request they now telling me to collect my car and they will find Lawyers to fight for them. And my car will start to rate 350 a day and including tax