Hi, my sel light turned on about a month ago and when I got the codes read it was code P0135 (the oxygen sensor bank 1 sensor 1 ) so I got the sensor replaced with a Bosch premium sensor. Two days later about the light came back on and the read the the same code P0135, so once again thinking it was maybe a bad oxygen sensor it was changed again. After the sensor was installed (two days ago) the cel came back on with the same exact code! So my question has this happened to anyone? I'm thinking that there is some type of exhaust leak that is somehow triggering that sensor..

 

Anyone please??