NHTSA Complaint #723188 — 2000 CHEVROLET IMPALA

ON SLIGHT GRADE WHEN STOPPED AT A TRAFFIC LIGHT OR STOP SIGN, VEHICLE WILL ROLL BACK WHEN TAKING FOOT OFF BRAKE AND WILL HESTITATE WHEN YOU ACCELERRATE. AT TIMES FROM A STAND STILL, VEHICLE WILL STUMBLE WHEN TRYING TO GET IN FAST TRAFFIC. SECOND TRY VEHICLE WILL STUMBLE AND THEN QUICKLY ACCELERRATE. VEHICLES HESTITATES AT SLOW SPEEDS, 5 TO 25. SPEEDS AT 5 TO 40, LESS THAN 40, VEHICLE WILL FEEL TO BUCK WHEN GOING UP HILLS OR MINOR GRADES. WHEN THIS HAPPENS, THERE IS A SMELL OF ROTTEN EGGS. *AK