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2005 Cadillac STS Questions

Get answers to questions about your 2005 Cadillac STS at RepairPal. Find solutions, diagnose problems and get back on the road.

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98
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I know I need a bank 1 o2 sensor ((upstream))
Could that b it??

When I'm driving the heat or the AC is always on. It won't turn off. I try to turn it off but it make a weird noise.

The seat just doesnt go back apl the way

The bushings went out on the front end of the suspension on my '05 Cadillac sts. What I want to know is if the bushings can be replaced, or do I need to replace the whole A-arm?

when brakes applied all lights go out

When i take off,i can feel a vibration but goes away right away.like a 2-3 second vibration.i took it to a mechanic here and first he said center bearing support on drive shaft ,well didnt fix the problem.next he said the front and rear couplers on drive shaft,and that didnt fix it either.now,can someone help me out here please?i dont wanna spend more money on it until i know for sure what it is.thank you

And on my instrument panel it states "speed limited to 80" is that a factory setting or the previous owner set it that way and how don't get it removed?

I've changed the alternator and still rough ride

I have a thud noise that sounds like it's coming from the rear end when shifting from park to drive or park to reverse or when it's downshifting as well sometimes. I have a 2005 Cadillac STS. 6 cylinder. Automatic trans. What do you think it is?

While driving down the road, car failed to accelerate.... Then with pedal to the floor, began accelerating.... Once car was shut off and then put back on again, problem was not there but check engine was still on....

I was driving and all of sudden the sound of my stereo turn off but my radio is on just doesny have any sound

Door was working fine up until a week ago felt whatever tension it had on it do as I opened it, and the humming noise sounds like it's coming from the front left tire

I have my car in the shop now for about a week now they seem to be experiencing issues with cars malfunction. Just soon after display on the screen comes on car shuts off going 45 miles an hour. Is this a computer issue or a relay malfunction.

05 sts 4.6 cranks but wont idle without feathering throttle. throttle body has been replaced with sensors. it is throwing multiple codes, P2637 P0113 P0106 P1137 P1157 P0017 P0019 P0014 P0102 P0122 P0223 P0638 P1101 P0068 P0101 P2108 P0171 P0174 P0113 P0014 P0102 P1101 P0106 it wont idle cold nor hot what is the most likely fix to this issue