Hi everyone,
Changing the plugs in my 940na two weekends ago, I broke one off in the head. The only thing left in there is the threaded collar with the outer electrode on it. All the ceramic and the center electrode came out in my wrench. I've sprayed it with PBlaster a half dozen times now since it broke, and I still can't get it out with a screw extractor (also called an EZ/easy out, I think). Any thoughts on what I should try next? Heat? Power/air tools? Maybe it's time to give up and call for a tow? Thanks in advance.
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