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2004 S80 AWD Reduced Engine Performance

Everything on the Volvo S80. Sometimes called an "executive car", the S80 was Volvo's top-of-the-line passenger car. P2 platform.
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Elliot9874
Posts: 13
Joined: 4 April 2017
Year and Model: 2004 S80
Location: Chicago, IL. USA

2004 S80 AWD Reduced Engine Performance

Post by Elliot9874 »

I have a 2004 S80 2.5T AWD. I started getting the Reduced Engine Performance message and the car shaking typical symptoms of a Volvo. However when turning off the car and letting it sit for a little bit, no issues. I noticed that it happens when I go over high bump speed bumps a little too fast here in Chicago. Obviously, it's some loose wire or connection. Does anyone know what would trigger this message?

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