Please please someone help my cossi was running bad then cut out it was fuel pump so changed that she was running ok then a few weeks later was ocasionally coughing and spluttering then cut out but I could still hear the pump buzzing up it wouldn't restart I had it towed home and 2 days later went to look at it and she fired straight up but took her for drive and drove fine again for about 2 miles and then wouldn't rev up for a about 4 seconds then ran fine again so I drove it home and parked her up any ideas oh and I changed the coil to group a after it re started on case it was that but obviously not lol