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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

no power and acceleration

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Old 01-02-2012, 03:32 AM
  #11  
bluebeastsrt
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There located in the exhaust under the car. Easy to get out. here's a photo. They look something like this(Not exactly,google photo). You cant miss it. It'll be the only part on the exhaust with a wire attached to it.


Last edited by bluebeastsrt; 01-02-2012 at 03:48 AM.
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Old 01-02-2012, 04:23 PM
  #12  
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ok and also the chek engine light comes off and on while i drive could that have anything to do with it
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Old 01-02-2012, 04:35 PM
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and what does and will the o2 sensor do if i take it off?
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Old 01-02-2012, 07:37 PM
  #14  
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You're working on adders nerves, and that's always funny. You'd be taking the o2's out to see if the cats are clogged, when you remove them there will be a nice big new hole for the exhaust to escape and if you have clogged cats the car will feel completely different and run terrific compared to what its doing now.
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Old 01-02-2012, 07:43 PM
  #15  
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Originally Posted by francissanf View Post
and what does and will the o2 sensor do if i take it off?
The O2 sensor reads the amount of oxygen in your exhaust gas. If your cats are plugged like one of our fine members are sugesting your backing up all that exhaust gas. By taking it out of the exhaust and letting it hang it'll see plenty of oxygen and should tell you if your cat needs to be replaced or not.
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Old 01-02-2012, 07:50 PM
  #16  
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ok i understand that im asking what will happen if i leave the o2s off? if anything at all. and also would it make a diffrence that the car has pasted smog in ca. dont they chek the cats ect?
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Old 01-02-2012, 08:00 PM
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Originally Posted by francissanf View Post
ok i understand that im asking what will happen if i leave the o2s off? if anything at all. and also would it make a diffrence that the car has pasted smog in ca. dont they chek the cats ect?
The idea is to replace your cats if this little test works.
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Old 01-02-2012, 08:25 PM
  #18  
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k ill do it tomoro nd post resaults
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Old 01-02-2012, 08:51 PM
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its about ****ing time...
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Old 01-02-2012, 09:16 PM
  #20  
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Lots of good advise here, but sometimes it's best to just bring it to a shop where they know what they're doing. It may cost you some $$$ but it will be worth it if your car is fixed right...
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