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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

89 460 low idle adjust?

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Old Jul 25, 2013 | 06:46 AM
  #16  
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rla2005
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How old are the plugs/wires/cap/rotor? Never under estimate the power of basic troubleshooting.
 
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Old Jul 25, 2013 | 08:48 AM
  #17  
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couldn't tell ya probably as old as the rest of the truck
 
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Old Jul 25, 2013 | 10:39 AM
  #18  
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I would start with a tuneup with good quality parts. Add in a fuel and air filter.
 
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Old Jul 25, 2013 | 11:38 AM
  #19  
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alright i'll do that then, thanks
 
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Old Jul 25, 2013 | 01:41 PM
  #20  
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My 460 bucks at low speed too if I am in 2nd and just letting it go forward on idle. The 300 Six that was in place before did the same thing. My truck's name is "Bucky" so this is considered normal. :-)
 
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Old Jul 25, 2013 | 08:59 PM
  #21  
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Do a tune up and if the problem remains it could be the IAC is not functioning as it should.
 
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