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2006 sts 3.6 liter
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  1. STS Forum - 2005-2012
    I have replaced timing chain, camshaft position sensor, starter relay, battery. It has not ran correctly since we had to replace timing chains. Once it starts it runs very rough it jumps and spits and sputters once it warms up it will start running and sounding smooth then it starts spitting and...
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