Hope fully minor fixes

sau4u · April 21st, 2006, 01:02 AM

I recently picked up a 1994 mustang for my son. I am trying to turn the idle up a bit. It runs around 500-600 now, seems low and its a standard so he is having a hard time starting out. When I turn the set screw under the hood by the accelerator pedal the rpms do go up but jump right to 1000-1100. I cannot seem to get it in the middle where I want like 800-900. But even when I do set it high within a short time the rpms settle back down to 500-600 region. Is there another way to set the idle up that I am missing. Thanks.

Stan27 · April 21st, 2006, 01:14 AM

The idle is controlled by the computer.
When changing the idle RPM, you need to unplug the battery for about 20 minutes to reset the memory.

sau4u · April 21st, 2006, 08:42 PM

Thanks worked like a charm. Dont suppose you know how to set up an emergency brake for the same car. Thanks in advance

Stan27 · April 21st, 2006, 08:46 PM

You're welcome, sorry I can't help you with your ebrake problem.

I'm sure someone at this forum will come along and help you, though. Good luck.

turp · April 21st, 2006, 09:57 PM

The e-brake has a self adjuster.

Here is all the info you should need for the system.

http://www.autozone.com/servlet/UiBr...3d801de0e9.jsp

sau4u · April 21st, 2006, 10:26 PM

Much appreciated.

sau4u · April 21st, 2006, 10:32 PM

On the idle issue. I have a standard transmission. Idle is set around 900 rpm. But seems a little jumpy. When sitting still for 20 seconds it will fall to 900 but when driving around and you engage the cluth for the few seconds it will usually bounce between 1000 - 1300 rpm. Any suggestions would be appreciated.

Stan27 · April 22nd, 2006, 12:49 AM

Mine had pretty much the same problem.

You can remove the idle air control(IAC) valve and use some throttle body cleaner to clean it out.
The IAC is held on to the throttle body with 2 screws, and has an electrical connector on it.

Here are pictures of the two different types, I'm not sure which one '94s have.

lemon · April 22nd, 2006, 12:28 PM

my 1999 looks more like the top one, so i would venture to guess that the bottom one is what you are looking for

April 21st, 2006, 01:02 AM	#1
sau4u Newbie Join Date: Apr 2006 Posts: 8	Hope fully minor fixes I recently picked up a 1994 mustang for my son. I am trying to turn the idle up a bit. It runs around 500-600 now, seems low and its a standard so he is having a hard time starting out. When I turn the set screw under the hood by the accelerator pedal the rpms do go up but jump right to 1000-1100. I cannot seem to get it in the middle where I want like 800-900. But even when I do set it high within a short time the rpms settle back down to 500-600 region. Is there another way to set the idle up that I am missing. Thanks.

April 21st, 2006, 09:57 PM	#5
turp Moderator 1989 MUSTANG LX 5.0 16.17@86.21(bone stock on street tires) Join Date: Aug 2005 Location: Virginia Beach, VA Posts: 2,893	The e-brake has a self adjuster. Here is all the info you should need for the system. http://www.autozone.com/servlet/UiBr...3d801de0e9.jsp __________________ SUPPORT YOUR LOCAL HOOKERS....HUG A TOW TRUCK DRIVER! Donate to lxhatch@gmail.com

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April 21st, 2006, 01:14 AM	#2
Stan27 Regular Join Date: Apr 2006 Location: Salinas, CA Posts: 228	The idle is controlled by the computer. When changing the idle RPM, you need to unplug the battery for about 20 minutes to reset the memory.

April 21st, 2006, 08:42 PM	#3
sau4u Newbie Join Date: Apr 2006 Posts: 8	Thanks worked like a charm. Dont suppose you know how to set up an emergency brake for the same car. Thanks in advance

April 21st, 2006, 08:46 PM	#4
Stan27 Regular Join Date: Apr 2006 Location: Salinas, CA Posts: 228	You're welcome, sorry I can't help you with your ebrake problem. I'm sure someone at this forum will come along and help you, though. Good luck.

April 21st, 2006, 10:26 PM	#6
sau4u Newbie Join Date: Apr 2006 Posts: 8	Much appreciated.

April 21st, 2006, 10:32 PM	#7
sau4u Newbie Join Date: Apr 2006 Posts: 8	On the idle issue. I have a standard transmission. Idle is set around 900 rpm. But seems a little jumpy. When sitting still for 20 seconds it will fall to 900 but when driving around and you engage the cluth for the few seconds it will usually bounce between 1000 - 1300 rpm. Any suggestions would be appreciated.

April 22nd, 2006, 12:49 AM	#8
Stan27 Regular Join Date: Apr 2006 Location: Salinas, CA Posts: 228	Mine had pretty much the same problem. You can remove the idle air control(IAC) valve and use some throttle body cleaner to clean it out. The IAC is held on to the throttle body with 2 screws, and has an electrical connector on it. Here are pictures of the two different types, I'm not sure which one '94s have.

April 22nd, 2006, 12:28 PM	#9
lemon Enthusiast Join Date: Aug 2005 Posts: 664	my 1999 looks more like the top one, so i would venture to guess that the bottom one is what you are looking for

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