Spark Plugs White and Crusty? Here's the Fix

If you've just pulled your engine apart and found your spark plugs white and crusty, you're probably wondering what on earth is going on inside your cylinders. It's a weird sight, right? Usually, you expect a bit of brown or maybe some black soot if things are running rich, but seeing something that looks like it's been dipped in salt or covered in tiny barnacles is definitely a red flag. ...

May 6, 2026 · 7 min · Barbro Ricardo