2005 Cadillac CTS "car hesitates driving highway" Questions

I have a 2005 cadillac cts with 90,000 miles and I have a 2005 cadillac cts with 90,oo miles and the transmission is now a litttle clow shifting into second. Is this symptomatic of anything I can ...

...driving it is almost unnoticeable. Today, the problem (sputtering) is getting worse. It seems to occur sooner (mid-RPM) and continue longer. Gas mileage definitely decreased. Since the ?check engine? ...

car hesitates while driving on highway. with AC on car hesitates while driving on highway. Takes a few seconds to catch then goes. Check for any vacuum leaks by spraying WD-40 all around the top ...

Seems to miss at highway cruising speed 3.1 liter - I have run injector cleaner through it and have tried running a full tank of mid-grade gas. At highway speed (100-110 KPH) in Drive and 3rd there is

4, but d-5 is like a overdrive on the open highway. good-day!! D4 for me unless I'm on the highway doing 55+. I think the car drives better in D4. I tend to get some hesitation between 30-50 in D5

...hesitates when I start the car and while stopped a red light and now it did it while on the highway driving 80mph. Passed inspection and does not come up with any codes when run through the computer. ...

...driving down the highway for only a few minutes, maybe 4 or 5 minutes and suddenly my RPM would go up. It was sitting at about 2500 going about 100km/h down the highway then it went up to about 3700 ...

...hesitates when driving, for example, going 65 on the highway all of a sudden it seems to lose power and acts like it's trying to shif gears. Take the car to a mechanic for troubleshooting. It's ...

...car was hesitating -- I was driving about 60 mph on the highway when I noticed it. I've read online about the gas cap/CEL connection, but would that cause the skipping/hesitating, too?? Hi: usually ...

driving at highway speeds, it hesitates every once in awhile even with the cruise on or off. It does this when accelerating up hills too. It doesn't do it when driving around town.. Sounds like it