Review on Enhance Engine Performance with 🚀 the Denso 234-9042 Air Fuel Ratio Sensor by Adam Jenkins

Perfect fit for 2007 Lexus RX-350. on the bulkhead side, in front of the catalytic converter! Definitely requires a special deep socket with one open side to remove and replace without damage. Most of my other Lexus and Toyota O2 sensors could be replaced with an open-end or ring spanner. However, I could not find a way to get the standard key in the place where sensor position 1 of bank 1 is and could not use the standard key in such a bottleneck. Bought a special open deep socket and replaced this O2 sensor in 15 minutes.