J-spec engine normally have rough idle?
03-16-03, 08:41 PM
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J-spec engine normally have rough idle?
I know this must be a "newbie-as-hell" question, but what is a J-spec engine and do these engines typically have a rough idle that can't be smoothed out? Also, how can I tell if my 1994 Mazda remanufactured engine is, in fact, a J-spec...?
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