Just installed a brand new Innovate MTX-L, exactly the same readings as my UEGO. So either my front O2 is broken and it's thinking 14.3 afrs = 14.7 or I have a leak in the downpipe before the Wideband.
I'm impressed that even after about 30k miles my UEGO was reading accurately .
I'm impressed that even after about 30k miles my UEGO was reading accurately .