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Hello and welcome to just answer . I value your input to my questions so I may help you better, soeey for the delay but we get very busy with requests . I 'll do my best to help you as fast as I can.
Ok have you been given the meaning of these codes yet? what have you done so far?
P0135 Oxygen sensor heater circuit malfunction, P0498 Evaporator Emission system vent value control circuit low
The reason the codes come right back is because they have not been fixed yet and they are what they call hard codes.You may have to go further to fix them and only after they are repaired the codes will clear.