Gidday,
In the process of ripping out the exhaust on my 94 Terrano and I found these. One of them has to be an o2 sensor?? (big one?) But what about the other one?? (small one?)
It is a vg30e motor and manual.
Cheers.
Josh.
What are these?
Moderator: Mark
What are these?
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Re: What are these?
small one is a cat "overheat" sensor.
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sirLachlan
- Hard Yaka
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Re: What are these?
The small one does nothing other than turn on the cat temp light on the dash .
The big one is for closed loop fuel trim at idle /cruise . Saves you gas
The big one is for closed loop fuel trim at idle /cruise . Saves you gas