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  1. CTS First Generation Forum - 2003-2007
    My 2006 CTS with gm3.6l with 138,000 miles has been dying once it reaches normal operating temperatures. It runs strong but then dies all of a sudden... no sputtering, just instantly cuts off. idles at about 1000 rpm when cold and then slowly descends to about 650 rpm as the engine heats up (Is...
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