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Misfiring? Rough idle after starting
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01-31-2018, 11:14 AM
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zzyzzx
GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,529
How big are the gaps on the old plugs?
Also, how hard were they to get out? I would think that having them in that long might make it difficult to remove. Yes, I still have the original plugs in my 99 at around 50K miles.
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