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Spark Plug Replacement

(1994 Ford Aerostar)
in Roanoke Rapids, NC on December 12, 2010
Do you change spark plugs with engine hot or cold?
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Popular Answer
on December 12, 2010
I agree, there's no benefit to changing them hot, unless it's real cold outside, then they will keep your hands warm.
on December 12, 2010
I would suggest cold.
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