Hello,
Nine times on of ten it is the throttle actuator that has gone bad or the throttle pedal sensor has gone out. You can confirm the failure by using a volt meter.
https://www.2carpros.com/articles/how-to-use-a-voltmeter
This guide can help as well.
https://www.2carpros.com/articles/how-a-throttle-body-works
Please let us know what you find. We are interested to see what it is.
Cheers, Ken
Jan 15, 2018 at 4:01 PM