Speedometer going whacky
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From: Harrisburg, PA
Speedometer going whacky
My speedometer will bounce around while driving. Example: I will be driving 70MPH and it will fall to 80 or 90 then jump back to 70. The duration varies and it can also read slow. I notice it will jump when I use my turn signal as well but not all the time. I checked my altenator and it is putting out 13.7 volts. What is the cause?
96' bonneville SE 214K miles 3.8 no supercharger.
96' bonneville SE 214K miles 3.8 no supercharger.
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You may want to get a scantool on it and see if the PCM is seeing the same thing... Either the speedo on the cluster could be bad/ or possible bad connection, or the Vehicle Speed Sensor may be getting funky... Good Luck
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Joined: Mar 2003
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From: Purgatory
Originally Posted by jr's3800
You may want to get a scantool on it and see if the PCM is seeing the same thing... Either the speedo on the cluster could be bad/ or possible bad connection, or the Vehicle Speed Sensor may be getting funky... Good Luck
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