Ok guys changed plugs, bought new battery; I have bought new fuel filter oil filter and new oil.
I have fitted new battery and also put new plugs in, car is still hesitating.
I was having a look at afm and I unplugged the connector under the airbox as if you where looking at it from driver...
new to the form bought a nissan micra y reg 2001 plate last week car was running fine but is now missfiring at start of rev range.
Basically when i press the accelorator pedal the car hesitate and take ages to build up speed.
i changed battery and plugs still no joy.