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

engine light after header install

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Old May 19, 2007 | 01:05 AM
  #1  
2002VERT's Avatar
2002VERT
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Default engine light after header install

hopefully someone can help me out here

my check engine light came on exactly a week after i put my new headers and mid pipe on, not sure if my o2 sensors might be afected from this.
Old May 19, 2007 | 02:26 AM
  #2  
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jpmustanggt
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Default RE: engine light after header install

Go to an Autozone if you don't have your own tuner and get them to scan it for you. Then come tell us the code and we can help you out.
Old May 19, 2007 | 02:27 AM
  #3  
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yellowgtstang18
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Default RE: engine light after header install

did you get offroad midpipe
Old Mar 10, 2008 | 11:14 AM
  #4  
1999 GT's Avatar
1999 GT
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Default RE: engine light after header install

its probably the 02 sensors...somethins not right- make sure they're connected good
Old Mar 10, 2008 | 02:36 PM
  #5  
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baino
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Default RE: engine light after header install

^he's prolly got it figured out by now boss. This thread was posted in may of last year
Old Mar 10, 2008 | 02:53 PM
  #6  
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lizzyfan
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Default RE: engine light after header install

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