ok the story : is it's had trouble starting twice this week, not firing on first turn of key, second/third ok then coming off motorway this afternoon, suffered a power loss. the car feels & sounds like its running on 3 cylinders [:^(] so far compression test ok spark plugs renewed reasonble good spark to all plugs dizzy cap/arm needs renewing, but not effecting spark too much (halfords didn't list cap/arm) water temp sensor changing resistance with heat, don't have correct values avaible multi plug above gearbox unscrewed wd40'ddid notice selection of pins looked red/bronze all others silver, but not rust planning to check injectors in morning, if their all spraying what am i missing???