Vacuum Leak

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Old Jun 20, 2008 | 01:13 PM
  #1  
2soon's Avatar
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Vacuum Leak

Hello I kept getting the codes p0171 and p0174. I read what they mean.I had my brother take the truck to the mechanic and he said it was an air vac seal that is leaking. I would just like to know what seal this is or where its located? My brother cant remember where it is. It's a 99 f150 4wd 4.6.
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Old Jun 20, 2008 | 06:09 PM
  #2  
torkum's Avatar
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Joined: Dec 2005
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From: Lebanon,TN
A search here of codes P0171 and P0174 would be very helpful based on all the info that exists. As far as what the mechanic told you, I think some of the info got lost in translation Maybe he was talking about a intake manifold leak?
 
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