i have a littel more info if i drive the car lets say for 30 min or go for a long drive its fine no misfire or nothing .even when idealing but once it gets cool it starts to get a littel misfire on idel. but its not like a misfire coz all 4 cylinders are working no coolent loss no oil buring and no high fuel consumption all 4 plugs are working leads are giving the spark injectors well i only just but in the light blues about 200 miles ago with the right chip rebuilt engine about 200 miles ago changed every thing