Control Unit - VW Polo 4 (9N) - engine control unit IAW 4TV

Fault in the IAW 4TV engine control unit.

The engine runs very roughly when cold. The ignition coil control is faulty. Faults are occurring in the 5 V circuit.

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.