What to do about Oxygen sensor ?

[Mr.R33]

Hey,

Just hoping someone can help me.

I installed a 3 inch cat back system on my R33 this afternoon and came across a slight problem.

I was going to change the cat at the same time for a larger unit but the O2 sensor was screwed right into the converter itself.

On every other car I have worked on they have been connected to the exhaust pipe not the cat.

for those that have installed universal cats, How did you get around this problem?

Any help would be greatly appreciated.

Thanks.

[strutto]

That's not the O2 sensor, it's an exhaust temp sensor for the light in the dash... Most people just tuck it up above the cat and don't worry about it...

PS: Moving to FI discussion...

[awurth]

I welded a nut into the exhaust piping and put it back in on my old 33, on the GTR it just sit's tucked away above the heat shielding.

[Mr.R33]

Thanks guys, it did seem a little strange that it was that low on the exhaust.

Looks like I will be getting back under the car tomorrow after the car show at the Gold coast.

[Cubes]

My highflow cat had provision for the cat sensor.

Depending on brand obviously but they can be ordered with or without provision.