[jnr7777]

hi guys wonder if you can help me.
my engine management light stays and have tried all sorts to try to get the damn thing off but it just never happens. the computer check tells me that number 1 cylinder is miss fireing.

i've tried doing the following things but wondering if you can help or have any idea's

so far i've tried

1} all new spark plugs
2} service
3}new air filter
4}new ignition coil pack
5}various fluids from forte as engine treatment fluid
6}had the light taken off 2 times on the computer but just keeps coming back on after couple of hours.
7}cleaned all the throtel body
8}swapped all the injectors around