1990 Acura Integra neep a lot of help??

hello, i have a 90 acura integra im having a lot of trouble making my car to start. my qeuestion is wen i try to turn my car on it will start but it keeps turning off so i try again now pumping the gas and ill stay on but wen i let go off the gas it turns off , the ecu is trowing code 14 which is the iac sensor if i change the sensor will it fix my problem???