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2018 cts 2.0 t
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  1. 2014-2019 CTS General Discussion
    I bought a 2018 CTS 2.0T, with about 22K miles, so under warranty. Had it about a week and the Service Engine light came on. Took to dealership A, they replaced the sensor. I left Ohio to drive to Nevada. 3 days later, in Colorado the same light came on. Took to dealership in Vegas. They had...
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