Vauxhall Vectra Ignition Leads Problems

when the car is cold she runs great but when shes warm she starts missing until i pick up speed its mainly 1,2,3,4 gears now a light comes on the dash board once the car temp hits half way, mostly when you take your foot off the accelerator...

when driving a distance(approx 10 miles without stopping)car starts to chug as if touching brakes. spanner light comes on. It then seems to free itself for a while and drives okay. It can repeat same several times and when I slow down at j...

when the car is cold she runs great but when shes warm she starts missing until i pick up speed its mainly 1,2,3,4 gears now a light comes on the dash board once the car temp hits half way, mostly when you take your foot off the accelerat...