Review on 🔧 High Precision 30-4110 UEGO Air/Fuel Ratio Gauge Kit with 4.9 LSU Sensor - Enhance Performance with WideBand A/F Ratio Monitoring and O2 Controller by Simo Whisperer

A good sensor at first glance. I just installed it and it gave me excellent data for FIVE minutes, after which the O2 sensor died. Thought it might be the wiring. Spent some time figuring that out. Nothing at all. It's called AEM. They said it was probably O2 and said they would send me warranty information. Never heard from them again. Bought a Bosch O2 sensor for $75. Worked EXCELLENT about FIVE days and then the sensor died. I unscrewed the spark plugs from the back of the gauge, there was something like black grease on the spark plug. And it won't work. At the moment I'm trying to pass everything on under guarantee. Buyer Warning.