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Engine power reduction, service stabilitrak and traction control - Chevrolet Forum - Chevy Enthusiasts Forums
![08 GMC Acadia, "Engine Power Reduced" message leads me to believe throttle body needs cleaning, but then I found this hole in what I believe is a PCV tube. Anybody ever seen 08 GMC Acadia, "Engine Power Reduced" message leads me to believe throttle body needs cleaning, but then I found this hole in what I believe is a PCV tube. Anybody ever seen](https://preview.redd.it/46afawxxte841.jpg?width=640&crop=smart&auto=webp&s=cf1b4f1b0e3bc136632f4500e47d2547c666a743)
08 GMC Acadia, "Engine Power Reduced" message leads me to believe throttle body needs cleaning, but then I found this hole in what I believe is a PCV tube. Anybody ever seen
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