4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

rough idle/sputtering

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Old Jan 5, 2006 | 08:29 PM
  #1  
mustang96gt's Avatar
mustang96gt
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Joined: Jan 2006
Posts: 16
Default rough idle/sputtering

I have a 96mustang gt.
I have changed the plugs wires and fuel filter yet the car idle s rough at stop lights like it want s to shut off and when driving will sputter.

Can it be ignition coils or what help im so frustrated!
Old Jan 5, 2006 | 09:49 PM
  #2  
M1ke's Avatar
M1ke
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Joined: Oct 2005
Posts: 1,555
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Default RE: rough idle/sputtering

clean the Intake Air Controler. its got 2 bolts and you just take it off and spray some brake cleaner in it.

this is what it looks like/where it is on the engine
this is what mine looked like b4 i cleaned it
just spray a bunch of brake cleaner in there and wait like a couple minutes for it to dry. it dries pretty fast
Old Mar 21, 2006 | 02:43 PM
  #3  
Ray808's Avatar
Ray808
 
Joined: Mar 2006
Posts: 10
Default RE: rough idle/sputtering

defnlty sounds like a bad coil

im going thru it right now
Old Mar 21, 2006 | 08:09 PM
  #4  
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Flyingmau5
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Joined: Feb 2006
Posts: 2,245
From: MO
Default RE: rough idle/sputtering

try replacing a new iac valve... its a known problem for the stangs...
Old Mar 21, 2006 | 08:10 PM
  #5  
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mustangman02232
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Joined: Dec 2004
Posts: 15,865
From: Ludlow, Mass
Default RE: rough idle/sputtering


ORIGINAL: M1ke

clean the Intake Air Controler. its got 2 bolts and you just take it off and spray some brake cleaner in it.

this is what it looks like/where it is on the engine
this is what mine looked like b4 i cleaned it
just spray a bunch of brake cleaner in there and wait like a couple minutes for it to dry. it dries pretty fast
thats what it most likely is, the GTs are know for that problem
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