Suba9792 Posted March 31, 2010 Share Posted March 31, 2010 ok so I was told by a friend that I should check the PCV and hoses, along with the CTS, he said that these engines are prone to over heating and you want the CTS 100% perfect, and that the PCV valve should be done at least twice in the cars life. Is he correct? Link to comment Share on other sites More sharing options...
GeneralDisorder Posted March 31, 2010 Share Posted March 31, 2010 The PCV valves rarely fail - usually they just need the hoses and coupler's cleaned out and the valve soaked in some carb cleaner. I almost never replace them although they are cheap - they should only be bought from the dealer due to spring-rate variations that have been experienced with aftermarket one's - causing oil consumption. The CTS has nothing at all to do with overheating - it control fuel mixture for the SPFI computer. When they fail it will cause hard starting in the cold or will cause the engine to run rich when warm - depending on the type of failure. They cannot cause overheating on their own. They don't fail that often and they are easily checked against the spec with a DMM. GD Link to comment Share on other sites More sharing options...
Suba9792 Posted March 31, 2010 Author Share Posted March 31, 2010 hummm..it could be why its a little tough to start in the morning, it will with the first crank but it is slow, could just need a new batt for the startup juice. Link to comment Share on other sites More sharing options...
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