Control Unit - VW Passat B4 (3A) - engine control unit Digifant I / Motronic MP4.1

Fault in the Siemens Digifant I / Bosch Motronic MP4.1 engine control unit.

The engine fails to start or starts with difficulty. The ignition coils and fuel injectors are not being controlled correctly. Problems arise with the pressure sensor. The fuel pump is not operating correctly.

Replacement unit for irreparable faults

If the engine control unit can no longer be repaired, we can, in most cases, supply a cost-effective second-hand part. The data can almost always be transferred from the original unit to the replacement unit, meaning that no programming is required on the vehicle.
Please enquire using the part number; we will check availability and the current price for you.