o2 sensors

Hey everyone, I’m running into a mess after installing long-tube headers and I’m hoping someone has seen this before. Right now I don’t have a tune, my rear O₂ sensors aren’t plugged in, and I’m just running header dumps while I wait for my mid-pipe. Whenever I do a hard pull, my car throws a...

I’m going to be replacing my upstream O2 sensors soon, need to be educated on which ones should i buy. 2015 manual fbo e85 coyote. the passenger side option states “auto transmission) can i still use it on my manual car? If not, can someone direct me to which ones I should purchase? thanks in...

Just replaced both 02 Sensors yesterday car finally seems to be reading but not maybe adjusting for some reason. I started noticing when I brake or begin to come to a stop (braking) or sometimes even randomly driving my AFR surges between 17-20 for a decent amount of time ..is this normal ? I...

Recently got long tube headers installed on my 2013 GT, have the front o2 sensors connected properly but only one is connected by an extension the other one could fit without any extensions. I’m also running open headers currently as I haven’t been able to find a shop to get my exhaust put back...