im driving a Nissan cefiro a32 97 model.

idling prob. fluctuating sobra. lalo pag cold start. then namamatayan ako pag mabagal ako or biglang shift to D or pataas na mabagal.

nalinis ko na anf throttle body and napaayos ko na ang air leaks. whats else could be the prob?? please help. TIA