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2007 f150 5.4V8 Rough Idle?????

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  #16  
Old 04-15-2007, 06:43 AM
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I guess it all depends on what someones definition of "rough idle " is also. I think mine runs fine. It feels like it has a little "burp" every so often, but hey, with what they put in the fuel today...hell,I'd burp too
 
  #17  
Old 07-28-2011, 07:10 PM
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Some people have replied to this post saying that the rough idle is normal. First of all, a rough idle is not normal for any vehicle. Secondly, make sure that it is an idle problem, not a vibration. The AC compressor on these vehicles are know for binding up a little just enough to give what seems to be a rough idle. If you notice that when the AC is on and the idle (vibration) is worse then you have a compressor problem. It could also explain why the AC doesn't seem to be cold enough. Hope this helps.
 
  #18  
Old 07-28-2011, 07:19 PM
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My a/c does the same thing. It's cold but occasionally if your on the gas it gets warm. I'm guessing it's a loss of vac to the blend door for a breif moment.
 
  #19  
Old 07-28-2011, 09:05 PM
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Good thing nobody revived a 4 year old thread or anything...
 
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