Hi,
By chance, have you tried physically cleaning the throttle body/throttle plate? Also, when you experience this, have you ever noticed a rich fuel smell from the exhaust? Has the check engine light ever stayed on while the engine is running?
Let me know that. Also, let me know if you have or have access to a live data scan tool. If you do have one, let me know what the short-term fuel trims are. Also, if you can, check them when the problem exists when the engine is warm, the vehicle is parked, and the engine is at idle.
If you haven't already, try cleaning the throttle body.
Here is a link that explains how that is done:
https://www.2carpros.com/articles/throttle-actuator-service
Let me know.
Take care,
Joe
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Saturday, February 17th, 2024 AT 6:57 PM