Sensor After Cat Converter

[slo33]

i need, some help with my 33 gtst, i recently cooked my cat converter and rather than get a new one i want to knock all the insides out, the problem is, that i cant unscrew the sensor, i was wondering what it senses and how important it is, im getting a microtech soon so if it isnt important i will just chop it off, any help will be much appreciated,

thanks,

slo33

[slo33]

oh by the way, its an aftermarket exhaust with a 3 inch hi flow cat, well thats what it used to be unitl i broke it,

thanks

[nathn_r33]

I will tell you before anyone else does this is very illegal. (knocking all the insides out)

[slo33]

i know its illegal, but i need to know what the deal is with the sensor

thanks anyway though

[LO_R33]

Heat sensor, best to keep it... mine was on hard.. but you can get them off:) Take it to an exhaust shop, they'll get it off.. because if they were doing the catalyic converter swap, they sure wouldnt just cut it off..

Dayne

[Mr Italy!]

You do realise there are big fines associated with doing that.

Just buy a new one, you'll save money after you get a massive fine from the ETA boys.

[slo33]

im not talking about legalities or getting someone to remove it, i want info on the heat sensor, what does it do? where does it send signal?

[gt-t_r34]

its like 10 grand worth of fines, its a big no no and its like the difference between 1kw and a good high flow car anyways. but id say spray some wd40 or something on there and let it sit for a little while..

[paulr33]

the sensor is used for the factory cat overheat light. its not needed if its unplugged and everything will work fine, dont stress

[gt-t_r34]

you can ground it cant you then the dash lights dont come on??

[Evil]

my temp sensor was welded to the cat for complience, when i replaced the cat i just cut the sensor... the dash light did not come on when i did this...

[JSpecDirect]

Dont ground it. The sensor has an expansion element that, when enough heat soaks into it, creates a ground and closes the circuit. Just cut it and forget it. On the other hand, if your overheating your cat, you either have a clogged cat or a very lean engine. Replace your cat, then get some fuel tuning done. Ignoring a light is hardly ever a resolution. Just my two cents.

[PHATR32]

yeah, about the sensor, there are huge fines for not having a cat so dont do it!