Q: Lose power in eceleration or RPM gage don't go into gear smoothly

asked by on September 19, 2016

The car drive good from time to time I can drive it for maybe a hour and then it start to loose power in the acceleration,I pull over for maybe 10 min and then it's ready to go again I had it look at by Aamco and they can't find anything wrong with it but I do have a check engine light on and it indicates bank 1 o2 sensor can that be the problem?

My car has 17000 miles.
My car has an automatic transmission.

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