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Old Jul 9, 2015 | 07:18 AM
  #1  
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Spark Plug Question

Good morning, a few months ago ,I replaced all of the spark plugs in my 06 F-250, 5.4. Last week she started missing so I thought a coil had gone bad. After determining which cylinder it was, I put a new coil in. The miss was still there, so I pulled the new plug only to find out that tip was completely gone. Burned off so to speak. Does anyone know what could have caused this to happen with brand new plugs? I went with Champion one piece replacement plugs. The one piece for obvious reasons.


Thanks for any help.
 
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Old Jul 9, 2015 | 07:36 AM
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Are you sure they are the right plugs?
 
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Old Jul 9, 2015 | 07:51 AM
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Yes I'm sure, but I will double check. I will get the number off the plug and post it.
 
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Old Jul 9, 2015 | 08:34 AM
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Was there any problem with the old plug that came out of that cylinder?
 
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Old Jul 9, 2015 | 09:17 AM
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Champion is your problem. Only use Motorcraft. Never use any other brand. I would change them all out.
 
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Old Jul 9, 2015 | 10:10 AM
  #6  
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Champion plug #7989
 
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Old Jul 9, 2015 | 10:11 AM
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No problems with the plugs I took out. Just time for them to be changed.
 
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Old Jul 9, 2015 | 10:14 AM
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Brian, has that Airaid Poweraid spacer added any benefit?
 
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Old Jul 9, 2015 | 10:27 AM
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Originally Posted by brd7666
Champion is your problem. Only use Motorcraft. Never use any other brand. I would change them all out.
I second that motion!!
 
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Old Jul 9, 2015 | 10:29 AM
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Originally Posted by dfitch1
Brian, has that Airaid Poweraid spacer added any benefit?
I still have it on there. I think the best use for it would be a paper weight to be honest with you. It did absolutely nothing for my truck.
 
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