Other Engine Info: Name Plate: Chevrolet, Pontiac, Oldsmobile
Plant City: Oshawa #1
Plant Company Name: NA-GM Corp
Plant Country: Canada
Plant State: Ontario
Seat Belts All: Manual
Vehicle Type: PASSENGER CAR
Windows: 4
Model year
COMPONENT
Complaint
2004
ELECTRICAL SYSTEM
2004 CHEVY IMPALA SPEEDOMETER ERRATIC,MAY SHOW 85MPH WHEN TRAVELING 50-55MPH,OR 40MPH WHEN TRAVELING 70MPH. WHEN PROBLEM OCCURS YOU CAN RE-ZERO THE SPEEDOMETER BY TURNING THE IGNITION SWITCH ON AND OFF A NUMBER OF TIMES TO GET THE NEEDLE BACK TO ZERO, BECAUSE WITH POWER OFF THE NEEDLE IS USUALLY FROM 35-40MPH INDICATION TO BELOW ZERO INDICATION. COLD WEATHER SEEMS TO MAKE IT NOT WORK AT ALL UNTIL THE VEHICLE WARMS UP INSIDE THE CAR. I HAVE A CASE FILE WITH CHEVROLET FOR MONETARY HELP,BUT I ALSO BELIEVE THIS IS A SAFETY ISSUE. THANK YOU! *TR
2002
ELECTRICAL SYSTEM:IGNITION
AT 45MPH THE VEHICLE SHUTS OFF WITH NO WARNING AND WILL NOT START BACK UP. CAUSE UNKNOWN. DEALER NOTIFIED.*AK