🔧 Enhance Engine Performance with Denso 234-4642 Oxygen Sensor (Air and Fuel Ratio Sensor) Review

I've had a check engine light twice in the year I bought this, both times WAS that sensor I'm pretty sure (low catalytic efficiency). but it only lasted a few days. For the price it's worth it.

The hardest part of installing this sensor on my 03 Lancer was removing the old one. I had to remove the catalytic converter with the sensor still attached and take it to the shop to have it removed. They had to use a flashlight to take it off. After the old one came off I was able to put this one on and adjust the rubber seal properly and it worked fine. I'm only giving 4 stars because it takes 22mm to shoot and 7/8 a little more, and once it's rusted in place from heat and humidity it won't…

This part didn't even fit in my car! According to Revane, it was perfect! He doesn't even have the same connection! When I returned I was of course a day late in the return window because when it's only a 30 day refund window all the time during the Covid-19 crisis you would think you'd get some forgiveness if my Auto it could not repair immediately after receiving the wrong matching part! Thank you Amazon for wasting my $36. The best part is trying to get help for a product through the Densco…

Fits in the sensor socket, but the cables are at least 2.5 cm shorter to reach the car socket. I got a replacement from Revain and had the same issue. I even took it to my local auto parts store and they noticed the difference too. I've used the Denso top gauge with no problems, but this bottom gauge just won't fit a 2002 Mitsubishi Lancer. I may have received two bad parts, in any case I have decided to return the money. I got my money back with no problems. I use other Denso products and this