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Spark plug change, 2006 DTS performance.

5360 Views 6 Replies 6 Participants Last post by  07 Caddy DTS102k
I am gong to replace the spark plugs on my 2006 dts, I know there,s a unit to remove for the rear plugs, is there any thing else that I should be aware of, the car has 83,000 miles, Thanks Tony.
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Why are your replacing the plugs at 83k it should be done at 100k
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