Hey all so I took my 97 v off the road in Feb as it needed an mot but needed some work done to pass, the battery went dead and won't start, I had an old school hks fuel comp and Thot while I had the battery out I'd plug it in but realised I didn't have the map sensor so put it back to standard ecu put battery in and all the normal dash lights and cd player is coming on but the car will not turn over, had a prop with that battery not starting the car before but charged it up and went fine but nothing this time even had jump leads onit but still nothing, got me and my mate baffled and he usually