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  1. 2008-2013 CTS General Discussion
    As I mentioned in my other thread, I am replacing the engine in my CTS. (It is the LLT, direct injection engine) I spent some time reading through the service manual to see what is involved so I can figure out as many questions as I can before the new (used) engine comes arrives. Addtionally...
  2. STS Forum - 2005-2012
    I'm stuck. I've got the harnesses disconnected and the 4 main bolts out on the cylinder 1-3-5 fuel rail. I can get the rail towards the firewall free but the end towards the front of the motor wedges against the water inlet and I can't get past this point. Any help would be greatly appreciated.
  3. 2008-2013 CTS General Discussion
    Hey guys, I have an 08 CTS with the 3.6l DI engine. I just got the vehicle, and it was already in limp mode; the previous owner (who said he was an aircraft mechanic) was obviously out of patience for it. P0087 code. The high pressure pump has been replaced, as well as the fuel pressure sensor...
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