Hi just driving to work,in 4th car coughed and spluttered and cut out,wouldnt turn over 30 mins later turned over ok on tick over but when reved the revs all over the place then stalled.40 mins later after towing round corner by aa started with no issues drove 20 miles home no probs? Did exact same thing 2 weeks ago.showing no faults on reader as well?any ideas .