Other Engine Info: Name Plate: Chevrolet, Pontiac, Buick
Plant City: Oshawa #1
Plant Company Name: NA-GM Corp
Plant Country: Canada
Plant State: Ontario
Seat Belts All: Manual
Series: LS
Valve Train Design: Overhead Valve (OHV)
Vehicle Type: PASSENGER CAR
Windows: 4
Model year
COMPONENT
Complaint
2008
FUEL SYSTEM, OTHER
GM ADVERTISES THAT THE 3.9 LITER ENGINE IS SUPPOSED TO GET 28MPG AND WE CAN'T GET MORE THAN 25MPG IN EITHER OF OUR IMPALAS EQUIPPED WITH THIS ENGINE AND BOTH CARS HAVE OVER 10,000 MILES ON THEM WHICH ACCORDING TO THE DEALER MEANS THEY SHOULD BE BROKEN IN. I'VE TALKED TO GM TWICE ABOUT IT AND THEY BLAME THE EPA FOR THE ADVERTISED NUMBERS ON THE WINDOW STICKER SO IT'S NOT THEIR PROBLEM AND THE DEALER DOESN'T KNOW WHAT TO DO BUT THEY HAVE TOLD ME OTHER CUSTOMERS WITH THAT ENGINE HAVE COMPLAINED AS WELL. WHO DOES THE TESTING ON THE CARS TO GET THE FUEL MILEAGE NUMBERS THAT ARE ON THE WINDOW STICKERS? I THOUGHT THE NEW NUMBERS FOR 2008 WERE SUPPOSED TO BE MORE ACCURATE THEN IN THE PAST. WE'VE HAD FOUR OTHER NEW IMPALAS (01,02,04,04) AND THEY ALL GOT THE FUEL MILEAGE ADVERTISED SO WHY DO THE 08'S WITH THE 3.9 DO SO POORLY? *TR
2002
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD
PROBLEM WITH MESSAGE CENTER, SECURITY LITE COMES ON THEN BATTERY LITE, THEN SERVICE VEHICLE SOON, THEN AIR CONDITIONING WOULD NOT TURN ON, STARTED FUNNY, DID NOT START TURNING OVER WHEN I FIRST TURNED THE KEY IT STARTED TO TURN OVER ABOUT 1 SEC AFTER TURNING THE KEY AND STARTED OK THEN. ALL OF THIS HAPPENED A THE SAME TIME FOR THE FIRST TIME. PRIOR TO THIS I REPORTED A POPPING/SNAPPING NOISE WHEN YOU TURNED THE KEY. THE CHEV DEALER SAID THIS WAS NORMAL (3 WEEKS PRIOR TO THE PROBLEM).