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Mystery lines in rats nest

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Old 02-03-21, 01:11 PM
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Mystery lines in rats nest
Hey guys redoing all my vacuum lines and got to the rats nest and found some metal connecting tubes with nothing on them. Is this normal for a USDM ?(talking about the ones without a shine to them)

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Old 02-03-21, 08:05 PM
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the ones that look like they have never had anything on them.... have never had anything on them
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Old 02-04-21, 01:33 PM
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I think that's the lines for EGR. If you have a car without EGR (I think they ditched the system in '95) then that makes sense.

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Old 02-04-21, 01:42 PM
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Simple, really!

Sorry for the small pic. This diagram has been posted here and there.

It is from the USDM FSM.


Last edited by Redbul; 02-04-21 at 01:43 PM. Reason: Added info.
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Old 02-09-21, 04:56 PM
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Originally Posted by cr-rex
the ones that look like they have never had anything on them.... have never had anything on them
ok haha, just had to double check, didn’t want to be that 17 y/o who fit the stereotype and blew something up due to negligence.
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Old 02-09-21, 04:57 PM
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Originally Posted by DaleClark
I think that's the lines for EGR. If you have a car without EGR (I think they ditched the system in '95) then that makes sense.

Dale
yeah it’s a 95 USDM so that makes sense. Genuinely thank you so much!
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