what color should be spark plugs. the insulator around the electrode is white.
Apr 13, 2015 at 3:32 PM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,240 POSTS
If the plugs have miles on them, they should be a tan color. Pure white usually indicates the plug is too hot.
Apr 13, 2015 at 9:59 PM
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