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

Jerky accelleration at low RPM's

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Old 01-19-2011, 12:58 PM
  #11  
Andy13186
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There is no CEL and i just drove the car and its not doing it now.. It seems to do it only in the morning when its extremely humid and wet out.
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Old 01-19-2011, 01:06 PM
  #12  
mustangmancp
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My car does that in 5th...im changing out the spark plugs because i didn't do it when my O2s went bad which may have fouled them up.

So id swap the plugs if i were you and see if that helps.
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Old 01-19-2011, 02:44 PM
  #13  
everett
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Fuel filter,fuel pump...sounds like fuel to me
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Old 01-19-2011, 04:46 PM
  #14  
Jordan's5.0
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sounds like one bad COP I had that same problem for a while replaced fuel filter, plugs, air filter, cleaned the maf, checked the o2's, idle air control valve, I mean everything, ended up being 1 or 2 bad COPs that i replaced with some low mileage ones for free, mine also had 200k+ on my original COPs the boots where shot!
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Old 01-19-2011, 06:48 PM
  #15  
fidelcastrol
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Could be the cops, I know back years ago the passats had problems with the cops in high humidity causing misfires.
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Old 01-20-2011, 06:17 PM
  #16  
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it may be wires...one damp days if the wires aren't the best it can be a little jerk
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Old 01-20-2011, 06:18 PM
  #17  
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Originally Posted by terminatorcobra
it may be wires...one damp days if the wires aren't the best it can be a little jerk
i didnt mean to say wires haha sorry. but it could be the coil or something with it being damp as u said, that could do it
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