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Join Date: Feb 2009
Posts: 72
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Idle Adjustment
1986 Carrera 3.2 Could someone please give me a definitive answer when adjusting idle. Is it done with the Oxygen sensor inside the engine compartment attached or unplugged?
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03-24-2013, 01:32 PM
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I was under the impression on DME cars that one couldn't adjust the idle. It was all done by the komputer.
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03-24-2013, 02:06 PM
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Posts: 72
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Idle Adjustment
Wrong impression. Anybody have the answer?
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03-24-2013, 03:13 PM
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Quite a blunt answer for someone offering his advice. Why don't you Google it
Ernie 81sc |
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03-24-2013, 03:53 PM
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Posts: 72
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Idle Adjustment
Bluntness unintentional. Apologies. Adjustment is after a chip replacement and I just want to dial in the idle. Nothing definite on Google.
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03-24-2013, 03:59 PM
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Base Idle is adjusted with O2 attached, but ICV disabled by putting a jumper in test ports B-C so that the ICV won't try to adjust the idle for you while you're setting it. You're trying to set a base point that the ICV can adjust around during normal operation.
Base A/F Mixture is adjusted with O2 detached so the DME won't use the O2 reading to adjust the mixture while you're trying to set it. But no jumper, ICV enabled. |
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03-24-2013, 04:33 PM
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I've been puzzling (as usual) over the sequence for adjustment. I'm assuming you set the air fuel ratio first, then set the idle as you have indicated.
I don't have an air/fuel ratio gauge so will have to set the a/f first based on the oxygen sensor connector reading (unplugged) then the idle with the oxygen sensor connector plugged back in. Thank you for your response. Much appreciated. |
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03-24-2013, 04:47 PM
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Did you do a search on idle adjustment? This topic has been posted many times with photos.
Prior to posting, its always a good idea to SEARCH. Even a google search on "idle adjustment, Porsche 3.2" would give you the results you desire. When I started reading through the thread and I got to the RUF-Possche response, I thought exactly as the next sequential reply. Yeah the reply may have seemed a bit abrupt, but it was spot on as flagging it as incorrect. Try this link... http://forums.pelicanparts.com/porsche-911-technical-forum/740130-idle-adjustment-screw-what-tool.html
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If it flows, it goes. If its smooth, it moves. Any questions? 96 993 C2 (Current) 87 911 Factory Turbo-Look Cab (Sold) 85 911 Factory Turbo-Look Targa (Gone) Last edited by Nine9six; 03-24-2013 at 04:59 PM.. |
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03-24-2013, 04:49 PM
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1981 Porsche 911 SC
SOLD - '86 911 Carrera 3.2
SOLD - '05 997 C2S
'09 E92 M3
1987 Porsche 911 3.2
