Spark Plugs
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Freshman User
Joined: Aug 2004
Posts: 48
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From: oakville,wa
Spark Plugs
03 f350 with 114500 miles on it. Started to miss a little on my way home tonight.
Question is what type spark plugs to use. Do i go with the factory plugs or does anyone prefer another brand?
thank You
Question is what type spark plugs to use. Do i go with the factory plugs or does anyone prefer another brand?
thank You
Lead Driver
Joined: Sep 2003
Posts: 5,844
Likes: 6
From: Albuquerque
Originally Posted by khadma
Ford truck = Motorcraft/Autolite plugs.
Just a friendly tip: But since you are going to change the plugs...change the COP boots while you are at it.
biz
Senior User
Joined: Dec 2001
Posts: 332
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You say it is just missing "a little." As in ... when you give it a little gas? If so, that is a "light load miss," and very well may be one of the COP's (coils). It is not rare.
Also, I don't know when Ford changed the cyl heads (others here will know), but are you aware of the spitting spark plugs? Use great care when installing the new plugs ---- torque wrench and most people seem to stay with Motorcraft plugs.
Also, blow out the spark plug well before you remove the plug, I've had debris/water down in there that could fall into the cylinder.
Also, liberal amount of dielectic grease at the COP boot-spark plug contact areas.
Good luck.
Also, I don't know when Ford changed the cyl heads (others here will know), but are you aware of the spitting spark plugs? Use great care when installing the new plugs ---- torque wrench and most people seem to stay with Motorcraft plugs.
Also, blow out the spark plug well before you remove the plug, I've had debris/water down in there that could fall into the cylinder.
Also, liberal amount of dielectic grease at the COP boot-spark plug contact areas.
Good luck.
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