NHTSA Complaint #11399081 — 2009 CHEVROLET IMPALA

CAR CONTINUOUSLY GETS A REDUCED POWER MESSAGE AND GOES DOWN TO 25 MPH. IN MID JANUARY DID THE SAME THING, BUT STALLED ON I90 OHIO TURNPIKE. ALMOST HIT BY A SEMI TRUCK. HAVE HAD THE CAR IN THE SHOP NO LESS THAN 5 TIMES FOR THE SAME PROBLEM. AT GM AND NON GM REPAIR SHOPS. WE HAVE HAD THIS SAME REDUCED POWER ON CITY ROADS, AND THE HIGHWAY, IT SEEMS ALWAYS WHEN IT IS WET, RAINY OR SLUSHY. IT REALLY APPEARS TO BE A WATER CAUSES THE PROBLEM. WE HAVE PAID FOR TWO SETS OF THROTTLE BODY, SPEED CONTROL SENSOR AND HARNESSES. THE PROBLEM CONTINUES TO PERSIST AND APPEARS TO BE DANGEROUS.