THIS IS FOR A AUTOMATIC GTS MODEL. WHEN DRIVING AT A SPEED SAY 40 MPH TO A REDLIGHT STOP, THE ENGINE RPM GETS REALLY UNSTABLE AND THEN SHORTLY STALLS, MEANING HAVE TO PARK THE CAR AND RESTART THE ENGINE ON AN AUTOMATIC CAR. ENGINE LIGHT MAY OR MAY NOT LIT UP/ STORE A CODE AFTER RESTARTING ENGINE. DIAGNOSIS FROM DEALERSHIP IS NO PROBLEM MOST OF THE TIME, EXCEPT RECENTLY HAVING A DETECTION OF PROBLEM WITH THE MASS AIR FLOW SENSOR. THE SENSOR WAS REPLACED BUT THE SAME PROBLEM REMAINS. THE CAR HAS BEEN PROPERLY MAINTAINED THROUGHOUT, AND THE STALLING OCCURS THROUGHOUT THE PAST 7 YEARS CONSISTENTLY. DEALER IS NOT WILLING TO LOOK INTO THE PROBLEM BECAUSE STALLING OCCURANCES COULDN'T BE DUPLICATED. I HAVE TRIED BRINGING THE VEHICLE BACK TO DEALER FOR INSPECTION ABOUT 6 TIMES, HOWEVER, THERE'S NO RESOLUTION.*AK