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'83 931 idles like a dog when cold - It's fixed!
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Johann  



Joined: 07 Aug 2016
Posts: 154
Location: Netherlands

PostPosted: Thu Aug 31, 2017 2:16 am    Post subject: Reply with quote

Not yet, but it is in the planning I am having a custom primary silencer delete pipe made up with a socket for an oxygen sensor.
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Dutch924-racer  



Joined: 23 Jul 2007
Posts: 968
Location: The Netherlands

PostPosted: Fri Sep 01, 2017 3:44 am    Post subject: Reply with quote

Controlpressure cold is 2.0--2.8 (depending on S1/S2)

So I think you injectors are fine
_________________
937 trackday car
Series 2 engine
951S turbo and intercooler
937 DITC
Fast road camshaft
Forge recirculation valve + boost controller
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Johann  



Joined: 07 Aug 2016
Posts: 154
Location: Netherlands

PostPosted: Sun Sep 03, 2017 6:39 pm    Post subject: Reply with quote

Thanks for the info Dutch924-racer

She is alive

http://www.youtube.com/embed/_JAr97Z_2ig
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Johann  



Joined: 07 Aug 2016
Posts: 154
Location: Netherlands

PostPosted: Wed Sep 13, 2017 6:23 pm    Post subject: Reply with quote

And now, after fixing many niggles, she idles like a champ. Hot and Cold

To get here I did the following:
- New Coil
- Fixed the engine wiring harness going to AAV and WUR
- Made the idle mixture a lot richer
- Cleaned the connection to the Idle stabilizer
- Ditched my CO meter and adjusted the A/F Ratio with my ears and nose.

http://www.youtube.com/watch?v=ua5snsA5Y3Y
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