Ford F-150 The entry level full size truck from Ford, one of America's best selling for decades.

Could factory pre gaped spark plugs cause misfire?

Old Jan 8, 2011 | 12:47 AM
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Adams's Avatar
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Default Could factory pre gaped spark plugs cause misfire?

If I install factory pre gaped auto-lite spark plugs without any alteration on my 2004 Ford F-150 experience any misfire
 
Old Jan 8, 2011 | 04:07 PM
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This reply is a combination of opinion and experience.
It is always best to check the plug gap before you install them.
Again in my own opinion and from past experience, I have almost always had better results with genuine Motorcraft spark plugs when installing in Ford products.
 
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