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I wouldn't put much weight in mechanical damage, in simple terms it's damaged or it's not and would run accordingly. Like others have said, I'd have all the electronics investigated, consider that the bad spark plug you had in the first place might have been damaged by detonation caused by over advanced ignition timing or an excessively lean air/fuel mixture ...


Just sell it. It's only a Ford. Nothing special about it. It's not like it's a Porsche that they don't make anymore


While it could be an issue for the porcelain to drop into the cylinder, it's not going to make your car run bad. Either there is damage to the engine or components and the engine will run crappy all the time (if it were to run at all), or it will run just fine all the time where you wouldn't notice anything had happened. More than likely what is left of the ...

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