my wifes 2006 chevy impala wont shift out of second gear. and also the rpms is up to 1000 rpm at idle and the and the mph guage takes a while to go down to zero when coming to a stop.what is the issue
Possibly the transmission pressure control solenoid is failing. A lot of owners having this issue. ( for shifting issue ). Some say mph gauge acts up at same time.
I agree with the previous answer; however, there is a TPS or Throttle Position Sensor that may cause similar issues..
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