Speedometer or Other Instrument Panel Gauge May Work Erratically on Chevrolet Impala SS

The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault.

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Average mileage: 150,000 (150,000–150,000)
2 model years affected: 2004, 2005
4 people reported this problem
2 people shared problem details
Speedometer has a mind of its own. Also the gas gauge no longer works. This problem has been ongoing off and on now for the last 35000 miles. Makes interesting pictures when the cars gauge says you are going 140 with the car off.
yes my speedometer and other instrument panel gauges work some time other time they work erratically and some times they dont work at all. I was told its the stepping motor that messes up causing my temp guage to read hot pegging hot if you shut of the car and flip the ignition on and off with out turning the engine over real fast it starts to lower the reading of the temp gauge.
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