Question about 2005 Cadillac CTS
What is involved in changing the spark plugs in an '05 CTS with the 3.6l? I presume the plentum...or manifild needs to come off, as it covers up the front plugs. What do I need to look out for? Any hidden surprises that will cause problems? Do the gaskets need to be replaced, or are they an O-ring type? What am I going to break getting the insulation piece off to remove the back bolt from the plentum? Any special tools required? Any help is appreciated...Thanks
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Posted on Jan 02, 2017
SOURCE: I have 05 cts 3.6
Try replacing the cable and if it has seperate coil ingnition swap the one misfiring with another....If misfire changes with to cylinder with the swapped coil, you've found your problem.....Regards Johngee
Posted on Oct 07, 2010
Did you ever find a solution to this? I am having the same issue on 2,4,6. I have replaced the coils. checked the intake for vacuum leaks. I am lost here let me know if you find anything and I will do the same.
Posted on Jan 24, 2011
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