idling weird

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10-28-2009, 08:12 AM

#11

98redstang

5th Gear Member

Join Date: Mar 2008

Location: NJ

Posts: 2,312

Quote:

Originally Posted by 98MustangSTL

Just from personal experience I'm going to say that Ford's Idle Air Control Valves suck. I've had one go out in both Mustangs I've owned.

Does the problem happen when the car is cold?
Once the car is warmed up does the problem go away?
When you shift, do you rpm's fall really quick?

If you answered NO, NO, and NO, then the IAC is probably good. Couldn't hurt to clean it though. I mean if you're pulling things apart, you might as well lol!

This is another problem ive been havin. When im driving around 65+ and let off the gas to coast i get a shuddering anyone know what the hell this is? It doesnt happen when im on the gas. Even if im just barely pushing it down. Is it starving for gas cause of the fuel filter? I cant figure out what it is. any ideas?

10-28-2009, 08:44 AM

#12

98MustangSTL

3rd Gear Member

Join Date: Feb 2006

Location: Missouri

Posts: 642

Describe the shuddering a little more.... Like is the car rocking back and forth? Does it seem like it's going to die?

10-28-2009, 10:36 AM

#13

98redstang

5th Gear Member

Join Date: Mar 2008

Location: NJ

Posts: 2,312

no like it feels almost like how wheel hop does. The car it self doesnt move. I feel it in like the body if that makes any sense. I was thinking a tie rod maybe? but it only happens at 65+ when i let complety off the gas. Its not gonna die the rpms and everything are fine.

10-28-2009, 03:25 PM

#14

Charged04GT

Join Date: Aug 2009

Location: Florida

Posts: 29

check your intake filter to see if its on tightly

10-29-2009, 02:09 PM

#15

98redstang

5th Gear Member

Join Date: Mar 2008

Location: NJ

Posts: 2,312

its defiantly not a tie rod because i paid close attention to it today and its not in the steering at all. Its the drivetrain i believe. what would tighting the air filter do?