Thread: 2000 p11 p050 code help

i bought the car with this code on clear it and it keeps coming back. i disconnect the plug for iacv and the car revs high and low so i know it works. rest the idle by turning on and off disconnect the tps it idles at 800-850 but that damn light keeps coming back after 30-40miles of driving. No vacuum leak no hole in the inlet pipe. Can someone give some advice please