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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

running wide open when starting

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Old Jun 19, 2016 | 08:15 AM
  #1  
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louda
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running wide open when starting

I did some work on my valves when i put it back together it wants to run wide open the throttle is fine what could this be
 
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Old Jun 19, 2016 | 08:39 AM
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From: Charles Town, W bygod Va
What are you working on?
What work did you do to the valvez?
 
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Old Jun 19, 2016 | 08:46 AM
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Originally Posted by bashby
What are you working on?
What work did you do to the valvez?
Got a ticking in the motor was just checking valves it still ran but when i got it back together it wants to run totally wide open
 
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Old Jun 19, 2016 | 09:04 AM
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From: Charles Town, W bygod Va
Year? Engine? Carb/efi?
 
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Old Jun 19, 2016 | 09:25 AM
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Originally Posted by bashby
Year? Engine? Carb/efi?
Efi 1994 st six 300
 
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Old Jun 19, 2016 | 01:54 PM
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From: Charles Town, W bygod Va
Did you verify the throttle blades are completely closed? Maybe a big vacuum line unhooked letting air in? (PVC or booster) if you unplug the iac valve it should close and idle speed should be very low if it will idle at all.
 
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