Hello, I recently acquired my first Lexus, Love the car, but I'm stuck with this check engine (CE) light issue. It's an 04 with ~70k miles.
CE and VSC light on. Code reads P0133. It was very cold that day, so I cleared it hoping it was a weather thing. (VSC stayed on but I've read how to jump it so I was not concerned)
CE light back on, same code. Seemed like bank 1 sensor 1 after searching. Bought a denso o2 sensor, attempted to replace myself but failed (I could barely touch it with the heat shield and limited space)
Went to my local mechanic, said replace oxygen sensor. He charged me 1/2 hour labor with my part and says its fixed.
CE and VSC light back on the drive home, NEW Code reads P0134.
Checked under and looks OK. (new sensor replaced, not loose, no visible damage)
For the time being, I have made an appointment at a local Lexus.
Do you think it is another (sensor, vacuum, plugs, etc) problem? and would you recommend this sort of fix at a dealership? I won't try taking shortcuts again, but also not looking to spend thousands.
Any help would be appreciated, thanks.
