Hi,
This vehicle has a throttle position sensor and an accelerator pedal position sensor. My guess is one has failed.
Before replacing parts, we really should have the computer scanned for diagnostic trouble codes. Have you done that yet? If not, that is what needs to be done first.
Here is a quick video showing how it is done:
https://youtu.be/YV3TRZwer8k
I realize the vehicle isn't drivable at this time. However, see if there is a parts store that will lend you a scanner. Often times they will.
Let me know what is found. If there are codes, let me know them also.
Take care,
Joe
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Thursday, July 1st, 2021 AT 11:34 PM