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1-6 of 6 Results
  1. 2008-2013 CTS General Discussion
    Greetings. I own a cts 3.6 307 hp year of manufacture 2011. The car has already driven 124274 miles and since I could not sell it at a reasonable price and since it is in excellent condition I decided to keep it and renew several components in it. Here I turn to your advice. The car drives...
  2. CT6 Forum - 2016-2020
    Has anybody on here ever attempted to change the plugs on a 2016 ct6 3.0? If so can you supply me with a list or diagram on what needs to be removed to reach the plugs? Thank you
  3. STS Forum - 2005-2012
    I have an 07 STS with the 3.6L V6 and have been chasing a misfire on cylinder 3 for the past month or so. If I’ve read correctly, cylinder 3 (and ignition coil C) is the middle one on the passenger side. So I’ve replaced the spark plug and the ignition coil as well as both valve cover gaskets...
  4. DTS Forum - 2006-2011
    In the next two to three weeks, I will be changing the gasket of the cam cover in the rear of the engine, and at the same time will be replacing the spark plugs, since it is a bit of a pain to take off. I am thinking of using iridium instead of platinum, as they have a higher melting point, and...
  5. CTS First Generation Forum - 2003-2007
    Initially it started to idol rough. Checked the error code and was a spark plug miss fire at 3. Decided it would be best to replace both coil packs and all six spark plugs. When I pulled up the coil pack the spark plugs were full of oil on both sides. So I figured valve cover gasket. Replaced...
  6. 2008-2013 CTS General Discussion
    Bit of a weird week. I've a 2008 CTS4 DI that earlier this week the check engine light blinked 3 times and then went out (indicating a misfire as I understand). Ran it for a day planning on doing spark plugs over the weekend. Before I could though, it threw a p430 so I figured I probably blew...
1-6 of 6 Results