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-   -   throttle micro switch issue? with low RPM driveability issue. (http://forums.pelicanparts.com/porsche-911-technical-forum/759134-throttle-micro-switch-issue-low-rpm-driveability-issue.html)

rusnak 07-08-2013 11:59 AM
Quote:
Originally Posted by PK 77 911 (Post 7537104)
You have never head of Walla Walla in Washington State? You are missing out. Exceptional Porsche country. So when something is Walla that also means joyous expression.:)
I thought Walla was an expression of the desire to wear muffintop jeans and t-shirts one size to small whilst shopping at Wallyworld.

PK 77 911 07-08-2013 04:55 PM
84 3.2

Oh !@#$%^%$! the idle adjustment screw broke/stripped. IT is the flathead screw driver type or was. I was being very careful too. What now? I did a search but came up with nothing.

T77911S 07-09-2013 03:14 AM
Quote:
Originally Posted by scarceller (Post 7536689)
When the idle switch opens the ICV parks half way. I think they did this so when you return to idle stop the ICV is already in the center range and thus fully ready to start idle compensation.
that makes sense.
i have been meaning to pull the ICV on my 88 BMW and do some tests on the ICV.
i think this is a very missunderstood device and often blamed for problems that are not its fault.
i think my B<W system and the porsche system are fairly close to being the same.

scarceller 07-09-2013 05:54 AM
I wrote up testing the ICV some time ago, here's the thread:
http://forums.pelicanparts.com/porsche-911-technical-forum/360766-bench-testing-carrera-idle-control-valve.html

Quote:
Originally Posted by T77911S (Post 7538531)
that makes sense.
i have been meaning to pull the ICV on my 88 BMW and do some tests on the ICV.
i think this is a very missunderstood device and often blamed for problems that are not its fault.
i think my B<W system and the porsche system are fairly close to being the same.

scarceller 07-09-2013 05:58 AM
On the throttle body it has 2 idle adjustments:
1 - the Air Bypass screw in the center of the TB
2 - the throttle plate stop screw on the left hand side

Which of the 2 did you break? The Air bypass is not turned with a screw driver, you use a small socket to adjust it (I think 8mm?)

No matter which one I recommend removing the TB from the intake, it's not very difficult and it will be far easier to repair on the bench.

Quote:
Originally Posted by PK 77 911 (Post 7537878)
84 3.2

Oh !@#$%^%$! the idle adjustment screw broke/stripped. IT is the flathead screw driver type or was. I was being very careful too. What now? I did a search but came up with nothing.


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