Surging in park

Asked by Christoph3r1979 Jul 17, 2016 at 04:03 AM about the 2004 Cadillac CTS RWD

Question type: Maintenance & Repair

Hello I have a 2004 Cadillac cts, seems like once a
week it gives me this problem, it surges in park,
.Before the problem starts it has no power, I mean I
can floor it and it won't get over 30mph. And also I
noticed when this happens the car seems to be
louder, I mean it has a deeper tone hum coming
from the tail pipe...service engine soon pops on
radio, then after 2 days of acting up it's fine...it
runs like a champ...quite and steady. I'm fed up
please help before put bullet holes in it n scrap it.

2 Answers
42,455

Auto_Centric answered 8 years ago

Have it scanned for DTC codes the computer has all the information stored...Don't change parts until you have this done.

Mark helpful
65,610

firebird338 answered 8 years ago

The best thing to do is what Centric suggest but if I were to guess sounds like the catatlic converter or muffler is getting clogged but like I said best to get the codes read like Centric suggested to keep from guessing.

Mark helpful

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