V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

Rough run after warm

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Old Apr 3, 2007 | 12:17 AM
  #11  
Xtasy305's Avatar
Xtasy305
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From: Miami
Default RE: Rough run after warm

I guess im just so bummed i can't drive around and have my car perform how its supposed to!
Old Apr 3, 2007 | 06:41 PM
  #12  
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Xtasy305
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Default RE: Rough run after warm

Not only is it now doing it when its warm when i start it up almost after driving it for 1min it starts doing it also, any one have any clue what might be wrong ?
Old Apr 3, 2007 | 07:46 PM
  #13  
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Default RE: Rough run after warm

how old are ur wires, if they are old change em out with napa blue belden wires, how are your plugs?
Old Apr 3, 2007 | 09:40 PM
  #14  
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Default RE: Rough run after warm

You should fix the exhaust leak first. If it is a maniflod gasket leak it can burn a valve.
Old Apr 3, 2007 | 11:55 PM
  #15  
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Default RE: Rough run after warm

How would i be certain its a manifold gasket leak and its not leaking from somewhere else?
Old Apr 4, 2007 | 01:45 AM
  #16  
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v6stang07
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Default RE: Rough run after warm

take it to an exhaust shop and just have them look at it, jst lie and tell them that u may have an exhaust leak as ask em to just check it out in the parkin lot, make em work for ya a lil b4 u spend ne money on it
Old Apr 4, 2007 | 11:10 AM
  #17  
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Default RE: Rough run after warm

are your cars sputtering while you are in the throttle? or just at idle. Mine does it just a tiny bit when i am idling, but not even the slighest bit after im already moving
Old Apr 4, 2007 | 02:38 PM
  #18  
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v6stang07
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Default RE: Rough run after warm

both, as the car gets hotter it does it more for me, more so wen under load or moving but it will get bad sometimes and now allow me to accel at all and eventually cut off due to a misfire, that is the only code i could get ne way
Old Apr 4, 2007 | 03:44 PM
  #19  
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Default RE: Rough run after warm

ORIGINAL: Xtasy305

How would i be certain its a manifold gasket leak and its not leaking from somewhere else?
i highly doubt its a manifold leak, its probably the weld from the front cat to the header collector. they go bad alot because he stupid ac condinser drips on it.
Old Apr 4, 2007 | 03:51 PM
  #20  
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Default RE: Rough run after warm

clean your iac



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