The contact owns a 2022 Chevrolet Equinox. The contact stated that while depressing the accelerator pedal, the vehicle hesitated with a loud revving sound coming from the vehicle. The contact stated that the check engine warning light was illuminated. The contact received an alert from OnStar that the vehicle was not performing to full capacity due to a failure with the throttle control system. The vehicle was taken to a dealer where a diagnostic test was performed and showed that there was a misfire in cylinder #1 due to oil intrusion. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact attempted to reach the manufacturer but was not offered any assistance. The failure mileage was 77,720.