Question about 1991 Buick Park Avenue

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Speedometor is going 50mph in a 35mph zone and 90to100 in a 55mph in my 2004buick lesabre .help me thank you

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Your speed sensor is bad the housing for the sensor and sensor tend to go bad after a while(old car) but have you triend with another cluster, instrument panel? what you describe seems more likely to be the speed sensor at the transmission.

Posted on Oct 14, 2013


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