Q: sticky speedometer

asked by on May 11, 2016

while driving at around 55 to 60 mph my speedometer is sticky. when I hit the brakes at that speed, the speedometer jumps to 68 ish before it starts dropping down. also it reads 5 to 7 mph at a stop or just parked. while driving if I tap on the dash board the speedometer jumps.

My car has 247 miles.
My car has an automatic transmission.

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