Ah I see. You should at least cap that nipple off until you can get a new thermo valve so you do not have a leak. That one there goes to my tranny, then there is another almost directly under the throttle linkage for the HVAC system vacuum. Then two under the AFM that go to the thermo valve and back from the Charcoal Cannister. The one to the valve also splits on mine and goes the the vacuum advance on my distributor. But yours is newer and has KE-III so you do not have vacuum advance, but you should have a vacuum line going to your fender well for the Ignition Controller module. So my lines may be all diferent from yours. But you need to at least make sure yours are all hooked up. I traced all mine when I first started sorting them out. Mine were all going to the right places though. I had traced them all out when I was putting new rubber in to replace the cracked old ones that were there causing slight leaks.

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~Jamie
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2003 Pewter C230K SC C1, C4, C5, C7, heated seats, CD Changer, and 6 Speed. ContiExtremes on the C7's.

1986 190E 2.3 Black, Auto, Mods to come soon.....