Talked to the owner again asked him how he made that conclusion. He told me huis dealer found it in the OBD readout. Seems to me something like that wont come up on a OBD readout as its mechenical issue.
Etherway he is going on holiday for 2 weeks so i orders 2 Books on buying tips and maintenence on 986 Porsches and a OBD reader. Time to readup on this model
