Please Help!!!!!
Thread Starter
On The Tree
Joined: Nov 2002
Posts: 142
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From: Baltimore, MD
Please Help!!!!! I see alot of people are having idle problems. After I put the mods in my sig back on last week the car surges at idle and when I am slowing down and my clutch is engaged the car will drop around 400 rpm and when I come to a stop it comes back to about 800 rpm. At idle my Idle Air Control Motor Position is between 85 and 92. I have read it should be around 30. Could the IAC be my surgeing problem?? If so what can I do to fix it, and if not what could it be????? Thanks In Advance....Scott
<small>[ January 30, 2003, 09:08 AM: Message edited by: sconnor ]</small>
<small>[ January 30, 2003, 09:08 AM: Message edited by: sconnor ]</small>
TECH Apprentice
Joined: Aug 2002
Posts: 331
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From: Gambrills, MD
Re: Please Help!!!!! You can drop your IAC value & also raise the idle speed slightly by adjusting the idle set screw w/ a #15 Torx wrench. Adjust it a little bit at a time & monitor IAC & idle speed.
If your mods are fairly recent, give the PCM some time to adjust. My car took a couple of weeks before the idle settled down, but now it's almost perfect.
Also check to ensure you have no vacuum leaks. What is your MAP at idle?
If your mods are fairly recent, give the PCM some time to adjust. My car took a couple of weeks before the idle settled down, but now it's almost perfect.
Also check to ensure you have no vacuum leaks. What is your MAP at idle?
Thread Starter
On The Tree
Joined: Nov 2002
Posts: 142
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From: Baltimore, MD
Re: Please Help!!!!! </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by HITMANSS:
<strong> You can drop your IAC value & also raise the idle speed slightly by adjusting the idle set screw w/ a #15 Torx wrench. Adjust it a little bit at a time & monitor IAC & idle speed.
If your mods are fairly recent, give the PCM some time to adjust. My car took a couple of weeks before the idle settled down, but now it's almost perfect.
Also check to ensure you have no vacuum leaks. What is your MAP at idle? </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I see alot of people saying that they are drilling holes in there T/B, what does that do?? I had the mods on the car for about 7 months and it was doing the surging before. I had to switch the car back to stock for the dealer to work on it and it ran fine. Now with the mods beack on it's doing the surging again......Scott
<strong> You can drop your IAC value & also raise the idle speed slightly by adjusting the idle set screw w/ a #15 Torx wrench. Adjust it a little bit at a time & monitor IAC & idle speed.
If your mods are fairly recent, give the PCM some time to adjust. My car took a couple of weeks before the idle settled down, but now it's almost perfect.
Also check to ensure you have no vacuum leaks. What is your MAP at idle? </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I see alot of people saying that they are drilling holes in there T/B, what does that do?? I had the mods on the car for about 7 months and it was doing the surging before. I had to switch the car back to stock for the dealer to work on it and it ran fine. Now with the mods beack on it's doing the surging again......Scott
Thread Starter
On The Tree
Joined: Nov 2002
Posts: 142
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From: Baltimore, MD
Re: Please Help!!!!! </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by The Dragon:
<strong> You could drill the TB to get your IAC's down but it isn't necessary with a stock cam. You would get an increase in performance from this modification, more with after-market heads/cam.
The screw can get your IAC's down <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Whats the best setting? I see 30 - 40 alot.....Scott
<small>[ January 30, 2003, 05:28 PM: Message edited by: sconnor ]</small>
<strong> You could drill the TB to get your IAC's down but it isn't necessary with a stock cam. You would get an increase in performance from this modification, more with after-market heads/cam.
The screw can get your IAC's down <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Whats the best setting? I see 30 - 40 alot.....Scott
<small>[ January 30, 2003, 05:28 PM: Message edited by: sconnor ]</small>
Re: Please Help!!!!! You could drill the TB to get your IAC's down but it isn't necessary with a stock cam. You would get an increase in performance from this modification, more with after-market heads/cam.
The screw can get your IAC's down <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
The screw can get your IAC's down <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
