MORE PROBLEMS WITH MAF. SENSOR ON THIS CAR. TPS. CAN BE CHECKED WITH SCANNER FOR SMOOTH SWEEP CLOSED THROTTLE TO WIDE OPEN THROTTLE KEY ON ENGINE OFF.READ TPS% SHOULD NOT HAVE ANY GLITCH WHILE SLOWLEY OPENING THROTTLE. CAN TAP TEST MAF WITH SAY A SCREW DRIVER HANDEL SENSOR ON INTAKE TUBE OR FILTER BOX. ENG. RUNNING WARM TAP MAF IF ENG. RESPONDES AT ALL REPLACE MAF.
What other symptoms? Are you able to keep it running as long as you play with the throttle? If you can drive it does it run OK out on the road ? Any difference cold or warmed up? No vacuum leaks between mass air flow and throttle body? What equipment do you have to test and retrieve codes on your own?