Matrix 2009 (2AZ engine) ruogh idle at low rpm

#1
Dear All


I have Toyota matrix 2009 with 2AZ FE engine .

Car has vibration during red trafic light at D gear or R gear .
Oil is new .
there is check light on after check with diagnostic tools it show P0012 code .
I reset that and check that again but same issue .
mechanic check and replace the oil conreol valve but the issue still availble .
in our country there is no any authorised toyota service center .
I consulate with some local mechanic and some of them told me the problem is torque converter problem and some of them told me the problem is in Cramshaf gear and i need to replace that .
before make any descision i want to make sure what is the exact problem of my car

Thanks and Regards
 
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