Engine Acceleration Issue

Normally this is due to a low power issue like an air restriction or exhaust restriction.

Here is a guide that will help get us started on these issues:

https://www.2carpros.com/articles/symptoms-of-low-engine-power

This could also be due to a power train issue and be in reduced power mode, so we need to check codes.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

https://www.2carpros.com/articles/reduced-power-limp-mode

Once we know what info is here, we will have a better idea but if you have no codes then I would pull the air filter out and drive the vehicle. Then remove an upstream o2 sensor and find out if it runs better with the sensor out as that will indicate a restricted exhaust.

Also, you can test the converter using this guide.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run through this information and let us know if you have other questions. Thanks