O2 sensor question

[Jackemuphigh21]

Guys I have a question for you. If one of the 4 O2 sensors is unplugged or not making good connection will it throw a check engine light and code?

Also does anyone know for sure if The 5-star tune for long tube headers bypasses the O2 sensors?

 

[MTF]

They make an extension cable for the one O2 sensor when going LT Headers.

And 5 Star does turn off the O2s,

Just not 100% sure if all the Sensors need to be plug in.

I would Call Mike at 5 Star to get your answer

 

[Jackemuphigh21]

Yeah I put my LTs on in July last year and have been running fine since. Mileage is not so hot but I keep it on 93 perf tune. I was asking because when i was unplugging the factory O2 harness it busted the prong on the clip on the sensor side so I have had it rigged to stay together. I just wasn't sure if when I'm out bombing around at TRR if I am going to incur any issues if my solution seems to not hold up. Just trying to figure out if I need to get a new sensor beforehand.