Audi A4 2.0 FSI Engine ECU Testing and Repair – Part No: 8E0909557H / 0261207978
- Electronic fuel pump relay is not switched, engine receives no fuel.
- No communication possible with ECU / error code reading not possible.
- Connector is oxidised, damaged by water.
- Ignition does not occur on all cylinders.
- No injection – no control to the injection valve.
- Other fault on request.
- Bosch Part Number – 0261207978
- Audi A4 Part Number – 8E0909557H