Requesting help: Anyone know what this wire or tube was

[jobispo]

 

[cps432]

I think that’s for the temp sensor that goes to the OEM catalytic converter.

 

[jobispo]

I think that’s for the temp sensor that goes to the OEM catalytic converter.

Thanks for the info

 

[4runner2FJ60]

X2 the cat. sensor wire.....I think there is a rubber plug you can get for the hole if you decide to remove it. Cant remember where i got it?

 

[Dynosoar]

Cat temp sensor