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Changing spark plugs to a 2002 chevy cavalier last one broken and stuck! Tried soaking with wd40 & PB Blaster but still not moving...any advice?

marked as duplicate by Pᴀᴜʟsᴛᴇʀ2, Gabriel Mongeon, Nick C, Rory Alsop, Josh Caswell Jan 16 '15 at 19:09

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