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  1. 2014-2019 CTS General Discussion
    I have a problem about my car fuel consumption, now it is nearly 18~19 liter / 100km. Before the problem it not more than 13. Last month I changed my exhaust vvt solenoid and cleaned the intake vvt solenoid to clean the engine error light indicator. Engine light stoped but my fuel consumption...
  2. XT5 First Generation Forum - 2017+
    Hey guys, first time poster. My wife was sitting idling in the driveway on the phone today when I heard a weird noise. Got the camera out and recorded. Let me know what you all think. https://share.icloud.com/photos/0zDmDYiqM0flmQFJO-3KAKXnQ#Miamisburg
  3. 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...
  4. 2004-2007 CTS-V Performance Mods
    Posted a message on 11-03 about bogging down when rpms drop back to idol. Did not get any replies, Please if anyone has had any similar issues or any ideas. I have been to the dealership 3 times and had throttle body cleaning, idol relearn, checked for air leaks. HELP!!!!!:horse:
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