🔌 Denso 234-4168 Downstream Oxygen Sensor: Reliable 4-Wire 13.7” Harness Solution Review

The sensor is only a few millimeters longer than the factory sensor, so when removing the pipe it got stuck in the exhaust. Instead, I had to use a box wrench to tighten it, which was next to impossible due to lack of space. While this isn't the sensor's fault, I think it's relevant to others who may be experiencing this. It was a 2011 Toyota Sienna.

I had several codes on the computer and the fault light and the engine came on, I decided to change the lambda probe , I have that in Bought from Autozone and did engine tuning but then other codes popped up then I decided to change the Maf sensor along with both oxygen sensors. And now the glitches are gone, the minivan is now very smooth and fuel consuming is improved. Definitely better use the Denso brand.

Works For 2005 Toyota Sienna With Code P0430 / Check Engine. The car has 4 sensors. This goes under the car, after the catalytic converter, at the front of the car. After resetting the engine code and some exercise, the engine check is disabled. BTW I did this AFTER a full tune up (spark plug change, coils, gaskets, cleaning the throttle body and cleaning the air filter). Watch videos on YouTube. Pain in A** but doable.

The check engine light came on on my 2006 Toyota Sienna. My OBDII gauge showed a weak catalyst, which could actually mean a bad O2 sensor. Sensors cost a lot less than catalytic converters so I decided to replace them first. The dealer wanted too much for OEM sensors, so he tried to save money; I bought a complete set of unbranded sensors from Turbosisland in California through EBay. Guaranteed to fit in my van. None of the unbranded sensors worked. All efforts were a waste of my time and…