Opel Corsa lite 2007 just cuts out!!!

On 2013-10-15 I bought a 2007 model Opel Corsa lite with 60000 km on the clock from a guy in grabouw for R49000. The car was and is still in an excellent body and interior condition.<br> i specifically bought the car for my mother who stayed in Gordons bay at the time as she was travelling a lot between Cape Town and Gordons Bay.<br> After 4 months of having no mechanical problems, the car started to just cut-out.<br> Now, after spending thousands of rands on the car at numerous mechanical workshops, auto electricians, diagnostics etc and replacing the following parts, the problem still exists and not even Reeds N1 city came back to me with an answer.<br> Replaced the following<br> <br> Air filter<br> Petrol filter<br> petrol pump relay<br> battery cables<br> cam sensor<br> checked all sensors<br> petrol pump<br> idle control valve<br> About 10 diagnostics done at different places....found nothing wrong????<br> <br> What now and who can assist me please?<br> <br> Never in my life will I buy a GM vehicle again!!!