Audi A6 2.7 TDI Engine ECU Testing and Repair – Part No: 4B0907551F / 0261206378
- Ignition does not occur on all cylinders.
- No injection – no control to the injection valve.
- No communication possible with ECU and error code reading not possible.
- Electronic fuel pump relay is not switched, engine receives no fuel.
- Connector is oxidised, damaged by water.
- Other fault on request.
- Bosch Part Number – 0261206378
- Audi A6 Part Number – 4B0907551F