NHTSA Complaint #10736122 — 2003 CHEVROLET TAHOE

WHILE DRIVING ON THE INTERSTATE AT 70 MPH THE CAR SWITCHED TO REDUCED ENGINE POWER AND REDUCED SPEED IMMEDIATELY TO 25 MPH, LEAVING ME IN THE POSITION TO NAVIGATE THROUGH RUSH HOUR TRAFFIC TO GET TO THE SIDE OF THE ROAD. AFTER HAPPENING A COUPLE OF TIMES OVER A 30 PERIOD, IT IS NOW A REGULAR OCCURRENCE. EACH ATTEMPT TO TAKE THE CAR IN TO A MECHANIC TO BE REPAIRED RESULTS IN THE SAME ISSUE OCCURRING AFTERWARDS. MECHANICS SEEM NOT TO BE ABLE TO DETERMINE THE CAUSE RESULTING IN A COMPLETELY UNSAFE CAR. THE THROTTLE BODY HAS BEEN REPLACED, WIRE HARNESS, PEDAL SENSOR, AND THROTTLE BODY SENSOR. NOTHING HAS SOLVED THE PROBLEM!