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

my mustang is jerking while driving

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Old 02-14-2009, 12:32 AM
  #11  
mntraynum
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I really didnt think that i would need a tune at just 6 psi. i mean its not like i really gettin alot of power out of it. just a a high rpm. but how much does the tune cost?
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Old 02-15-2009, 03:50 AM
  #12  
octain01
 
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Originally Posted by mustangman281
Sounds like your by pass valve is either not working or is pointing towards the MAF.
Where is the bypass valve located?? Sorry I'm a newb to this, and my mustang is doing the same thing, even after I had a tune..
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Old 02-16-2009, 10:13 PM
  #13  
mntraynum
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my by pass valve is located right under the air intake tube below the front of the blower
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