Hi,recently had probs with engine stalling at traffic lights.Had diagnosed as maf sensor and crankshaft sensor,which had replaced.got car back and seemed to be running worse.car violently shaking on start up - warm or cold,and unresponsive - like fuel starvation.broke down after 4hr drive to Devon.garage there diagnosed as cam sensors,which again had replaced! got car back after 4 days into holiday,only for car to run the same as when i got it back from 1st garage.Drove back to Kent,seemed like it was holding back.then this morning not even idling on start up.HELP ME PLEASE!