with modern motors often the best way forward is to get it onto a suitable computer and guages/lights etc can be operated manually through the keyboard for correct diagnosis and operation,the down side though is it costs money to do this,no other way though! You can guess all you want as to what is wrong but can guarantee you can end up paying a fortune in the long run.
cdc
April 2014
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.