The check engine light went on, brought my rex to the dealer and turns out the front O2 sensor is shot.
The dealer wanted $600 (CDN) to fix it with the greatest chunk of the price being the O2 sensor itself. I knew that was FAR higher than I should be paying so I took the car back before any work was done.
I looked around online for an O2 sensor and the prices really differ. As low as $22 and as high as $150. What's the difference and is there a trusted brand amongst the gurus here?