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Need help identifying

Hi
Anyone knows where is this tube connected to. It runs from the back of the engine. 79’sc
Thanks.


Last edited by yuth; 12-17-2018 at 11:31 AM..
Old 12-17-2018, 11:28 AM
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Trace it back and see if it connects to the front or rear of the throttle body. It's probably either the hose for the vacuum advance or retard on the distributor. There's a number of small vacuum lines back there. Is it connected to a t-connector on your deceleration valve there? I can't quite make it out in the image you posted.

Last edited by gazzerr; 12-17-2018 at 05:30 PM..
Old 12-17-2018, 05:28 PM
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Gazzerr
It connected to the T connector. It’s one of a two vacuum line from the T.
Old 12-17-2018, 05:55 PM
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here is your answer......
__________________
1985 911 with original 501 761 miles...807 506 km
"The difference between genius and stupidity is that, genius has its limits". Albert Einstein.
Old 12-18-2018, 01:01 AM
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Quote:
Originally Posted by proporsche View Post
here is your answer......
Thank you sir.
Old 12-18-2018, 02:44 AM
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Another question.
I have read the threads regarding decel vale deleate. Can you please educate me which lines to disconnect and cap. Thanks.
Old 12-18-2018, 03:13 AM
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Sorry for the slow reply. Check this thread. It's the go to for CIS here. Hopefully it will answer your question. I'm not too familiar with the pre 80 CIS.

CIS Troubleshooting for Dummies

Old 12-19-2018, 05:41 PM
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