Finally againMagneti Marelli throttle valve (nerve)

Hello, according to my last topic; idle saws and engine dies off, I have now only soldered as you advised me relay 103, bought no improvement, brand new from the accessories and no improvement, last weekend petrol addition in the tank filled and off to the train to burn the valves etc from the city traffic risk, then came on the highway at 190 km/h the motor account light, the error reading returned the following information; 1. error code 9738(FC-Org.260A) G emischadaption Bank 1 2. Error code 29194 (FC-Org.720A) CAN- BUS data line between motor control unit and immobilizer 3. Errors again Error 1, error deleted and first again 2 days good, idle run still sometimes he saws.. on and with the clutch enter with warm motor the speed sinks first to 500 rpm to catch itself then … so all in all it will run out nevertheless on the throttle flap … Very great I have the car just 3 months and da f give the friendly already about 800,00 €… I had promised myself of the old V70’s really more according to the opinions of most forums… well you never learn from it…. ohso today came then still for a short time ETS lamp to then go out again can one of you out there what to do with these symtoms?? how should I continue to clean throttle flap and new software says my friendly, helps at 50% if not costs it just about 800 € and the car runs again until the next defect…is almost like with the Italians or French… really bad.. Thank you in advance Dirk