Question about 2005 Cadillac CTS

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CTS 2004 shuts down when making a stop and car lost thrust on Hwy

When making a stop with the air conditioner on engine stops with check engine light going on for half a second before shutting down. It doesn't have a problem to restart immediately. Has done it two times in one month, both with AC on.
Yesterday I was on the highway at 60 mph and check engine light went on and off intermitently while car lost thrust for half a second. Sppedometer went from 60 to 30 approx. before going back to 60. Car kept going (didn't stop).
I took it to the dealership last week (after the second time it stopped) and they say everuthing is all right. They can't find a problem.

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  • fjxg Sep 28, 2009

    Thanks but the dealership scanned the car and no information came out. They say the computer was clean, that the car has nothing wrong. That's what I don't understand because I know the computer stores error codes.

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Tell the dealership uhugh. if the check engine light comes on, there is an error code which gets stored in the computer. on the nicer vehicles (like yours)it stores vehicle information at the time when the error occured....eg battery voltage, rpm, speed, temperature, rpm etc. you need the find out what the error code is. that would give you an idea on where to start looking

hope this helps

Posted on Sep 28, 2009

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Posted on Jan 02, 2017

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