🚀 Denso 234-4156 Oxygen Sensor: Advanced Performance for Optimal Fuel Efficiency and Emissions Control Review

Based on my experience, this sensor failed after just a month of use. While it was initially easy to install, it simply didn't last.

I didn't pay attention to the review above, but I noticed that several other trusted MR2 sites say this is the correct sensor. Found out it doesn't fit my '94 MR2 Turbo either. There is a bushing between the sensor and the bracket that will not fit through the hole in the exhaust pipe. While debating whether or not to drill a hole in the exhaust pipe (0.5" to 0.625" but I'm pretty sure it's metric), I decided to order a Walker 250-24156 , which seems to fit perfectly into the exhaust pipe…

I ordered the oxygen sensor 234-4156 for my 1993 Toyota MR2 Turbo 2.0L 3S-GTE engine and it doesn't fit. This is meant to be an OEM replacement but this part has a ring around the sensor making it too wide to fit the hole. The original sensor does not work. Update: At the recommendation of another reviewer, I ordered and installed a Walker Products 250-24156 4-wire oxygen sensor and it fits and works properly. However, I had to widen the hole in the heat shield a bit with a Dremel tool to allow