[moved] the warm weather isnt getting me started

[the Reaper 0]

since the warm weather started i cant get my engine to start,has anyone had this problem, i drove it home last thursday evening it was running the best ever, then came home in my dayly friday, was planing heading off to santa pod jumped in the van which had been in the sun alday and wouldnt start it turned over and tryed to start put was as tho a imbolizer(hasnt one fitted) was then cutting in and stopping it ,went throught all the basics over the next few hours from leads to cheack for sparking fuel getting thro all were ok,after alot off use on the battery i took it off and recharged it over nite, placed it back on sat morning thought id jut try knowing it wouldnt start, for the first 2 turns it done just the same as the nite b4 then on the 3rd attempt it fired into life but ran with a slight miss fire drives fine but on dipping the clutch once warm it cuts out,and so i cant start the van during the day but in the evening it starts but its right , can any one help many thanks D