G sensor not working

I have a Zenfone 2 and its G sensor stopped working. Apps like Sensor Box show that my phone does not have a G sensor.Whenever I clear cache it starts working for a short period only(around 5-10 minutes) after which sensor box shows that I do have a G sensor but still the test does not work. Recently I installed Cyanogenmod 13 and the problem still persists. Any idea what I can do ?the problem seems software based to me.

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