it is not ruining because machanical problem

in side the throttle have a sensor which get dirty it is a thin strand if wire car runs and idols terrible buy throttle body cleaner it about$ 8.00 at auto store take off air cleaner and spray into throttle body try to keep the car running by accelerating the motor same time while spraying fix my problem none since most of time its just

Car has been useless for over 12 months, Nissan Agents are replacing car bit by bit - petrol pump, mass flow meter, battery, alternator the #$@*% up the gear box had to be fixed, alternator keeps burning out , still not fixed