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Aggresive Not Crazy
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1,815 Posts
Discussion Starter #1
so i changed my spark plugs and wires and coil pack. i've read about people gapping there spark plugs??! i just screwed mine back in and made sure they were tight and that was it. What did i miss?
 

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300 Posts
You should always check the gap. I recently installed some new Motorcraft ones from the dealer that were for the Focus and didn't check the gap. The car was running very bad so I took them out and checked and they were something like .040 when they should have been .054. Even once fixed they still ran like garbage and I ended up going back to my old Motorcraft plugs with 80,000km on them and they are gapped at .060 and work great.
 

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Jetsetter
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6,654 Posts
go to a parts store, and get a gap tool they are only about $1 and then you slide the outside ring in the gap untill you reach the desired gap, you should gap them at about .055 to start and then if its not running right after that then a little bigger untill its right
 

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Jetsetter
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6,654 Posts
this is what your looking for



its really simple to use
 
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