jay300zx tt

thank u very much mate i have found it but how will i no if i need a new 1

thanks any idea hw much it mite cost me

an weer can i find that

lol im gna try and put it on now - - - Updated - - - an wer wudi find that

i have a nissan 300zx tt and when i start it, it hesitates on idle and sum timz goes off and when i drive it i feel no power and a mis fire but when the car warms up it idles fine but still mis fires an wont rev up proply i can hear the gas but its like somethin is stopping the power any ideas thanks