It sounds more like you have a clogged exhaust system, but to be sure this guide can help us see what's going on, if you undo the exhaust in front of the catalytic converter and it runs okay you have found the problem.
https://www.2carpros.com/articles/how-to-test-a-catalytic-converter
If that is okay lets try to clean the throttle body, this can cause the issue as well
https://www.2carpros.com/articles/throttle-actuator-service
Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Saturday, July 23rd, 2022 AT 11:58 AM