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AndrewCologne AndrewCologne is offline
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Join Date: Aug 2015
Location: Cologne / Germany
Posts: 258

this CIS here belongs to a US 911 2.7 model, not Euro.

I made some new pictures.

Below you can see the colors of the wires from each plug.
(Plug 1 gots yello-beige and red, plug 2 both in brown)
Maybe with that you can say where the other plug 2 belongs to.

Here below you can see from which port plug 1 was pulled from

Also above there are two parts where I would like to know if "theres missing something" and "what was that part good forô where they applied a plug and the the rings.

Also I would like to know to which part of the CIS this hose goes to ?

And last but not least we checked the air box where I thought the main issue/problem of the uneasy idle comes from and the hole very below which wasn't closed/sealed IMHO definitely needs to be closed as otherwise it would result in a mega false air input.
For closing/sealing used a plug normaly used for radiators which fits perfectly.

So we only need to know the infos of the plugs and the hose above, then we will re-install the CIS and .. see if the "false air" issue above was the guilty one.

BTW: WUR also works perfectly: pressure ok and the restore shows about 37 ohms IIRC.

Thanks a lot for your assistance and BR
911 SC 3.0, 1982, black, US model
Own digital ECO build
All about the 930/16 and 930/07 Lamba based US SC models:
(its in german english will follow, use google translator meanwhile)
Old 09-25-2016, 11:00 AM
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