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Metal tube on LIM + O2 sensor q

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Old 05-02-09, 08:27 PM
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Metal tube on LIM + O2 sensor q

First off, I apologize if this has been asked before. I searched but couldn't really find anything. I recently put another motor in my RX7 (S4 N/A) and while the new motor was out I did the rats nest removal. Now, I'm almost finished putting it in but I have two questions:

1. On the LIM, there's a tube coming out of the rearmost runner. I'm not sure what it's for, and although I can see it in some FSM diagrams, it's never actually referenced. I have no camera right now but if I can borrow one I'll take pictures.

2. I feel really stupid for this, but I'm not sure where on the harness the O2 sensor plugs in as I forgot where I unplugged it from. Any help on this would be awesome.

Thanks in advance!
Old 05-02-09, 08:35 PM
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maybe the split air pipe that goes to the cat?
Old 05-02-09, 08:40 PM
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Originally Posted by 87 t-66
maybe the split air pipe that goes to the cat?
I should have mentioned that I already have the split air pipe hooked up.
Old 05-02-09, 09:32 PM
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brake booster line?

a pic would help. i dont know much about NA's but could probably tell by a pic.
Old 05-02-09, 09:32 PM
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harness wire for the O2 is behind the Throttle body..One wire square type connector.
Old 05-02-09, 09:40 PM
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The tube is probably the one for the aux port actuators. Get it hooked back up if it is.
Old 05-03-09, 06:09 PM
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Originally Posted by 87 t-66
brake booster line?

a pic would help. i dont know much about NA's but could probably tell by a pic.
Yep, turns out it was the brake booster line. Now I really feel stupid.
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