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-   Porsche 911 Technical Forum (http://forums.pelicanparts.com/porsche-911-technical-forum/)
-   -   Idle Hunting -- The problem continues!! (http://forums.pelicanparts.com/porsche-911-technical-forum/104495-idle-hunting-problem-continues.html)

vreference 08-03-2008 12:19 PM
Quote:
Originally Posted by rcaradimos (Post 1820455)
maybe the sensor just doesn't have the temp to get a reading.
A bit late but yes, sensor needs to be very hot to produce voltage; possible that your heater relay wasn't working?

ClickClickBoom 03-06-2013 07:28 PM
Quote:
Originally Posted by rcaradimos (Post 1817268)
Tried to tweek air flow screw but it is awful tight so I didn't move it. I think I'm running a bit rich, it smells that way.
Thanks in advance.
Still getting to know her before I buy your Chip.
Bob
Hey,
My air screw was way tight, called Steve W. per his instructions, I sprayed a little penetrating oil in the screw well and gave it a couple very light taps to shock it loose. The brass and aluminum generate galvanic corrosion and that is the jam.

stlrj 03-07-2013 10:41 AM
Quote:
Originally Posted by scottb (Post 750606)
My 84 has had an "idle hunting" problem. Based upon "conventional wisdom," I've replaced the idle control valve, the O2 sensor, and the cylinder head temp sensor. Yet, the problem persists. :(

Does anyone have any ideas on what could be wrong? Help would be appreciated.

Scott

Has a search of this forum been done?

BE911SC 03-07-2013 11:13 AM
Thread is ten years old. Helpful though.

PeterM 10-04-2020 06:58 AM
Can anyone please share how to adjust the mixture on a 3.2 ?

I have a Snap-on 5-gas analyzer

carlvs 10-04-2020 08:05 AM
Does the car have CIS? If so google CIS mixture adjustment screw. It’s located on top of the air flow meter. Between the rubber boot and the fuel distributor. You w8ll also need 5o adjust the idle air screw.


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proporsche 10-04-2020 08:41 AM
fuel mix is adjusted like this on 3,2 carrerahttp://forums.pelicanparts.com/uploa...1601829608.jpg

PeterM 10-04-2020 09:39 AM
Thank you proporsche

Can you post a picture of where the mixture adjustment screw is located ?

What CO figure are you aiming at with the gas analyzer ?

proporsche 10-04-2020 10:08 AM
once you remove the plug you need 3mm allen wrench.
So,1st if you still have the plug in ..remove the afm (air flow meter)
2nd drill 2 little holes into the plug about 3mm deep so you can use needle nose pliers to remove it.(never mind those 3 punch hole that was for a different showing)
3rd to set the C/O engine should be warm and i`d would put about 1,2 without the CAT
that is allhttp://forums.pelicanparts.com/uploa...1601834474.jpg
http://forums.pelicanparts.com/uploa...1601834474.jpg

Ivan


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