Hi,
Does the check engine light ever flash when you feel the vibration? Also, have you scanned the computer for diagnostic trouble codes?
If you haven't, do that first. Most parts stores will do it free of charge, so, if possible, have it done.
If you have a scan tool, here is a link that explains how to test all the different modules:
https://www.2carpros.com/articles/can-scan-controller-area-network-easy
Let me know what you find.
Take care,
joe
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Thursday, June 22nd, 2023 AT 9:43 PM