Throttle Throttle Position Sensor (tps) problems of the 2008 Acura TL

The contact owns a 2008 Acura Tl. The contact stated that while depressing the accelerator pedal, the vehicle failed to accelerate, and the vehicle lost automotive power and shifted into limp mode. The vehicle was turned off and restarted and drove as needed. The check engine warning light was illuminated. The message “system too lean” was displayed on the instrument panel associated with bank 1 and bank 2. While starting the vehicle and while the vehicle idling, the rpm was raised above 1,000 rpm, and the message "idle position needs to be relearned " was displayed. The contact restarted the vehicle and the vehicle operated properly. The vehicle was taken to a certified mechanic, who diagnosed that the throttle pedal position sensor had an incorrect voltage. The contact was unsure of the repairs performed and the dtc were cleared. After the codes were cleared, the failures continued intermittently. The contact became aware of tsbs that permitted a repair under warranty to clear the system; however, the vehicle was no longer covered under warranty. The vehicle was not repaired. The manufacturer was made aware of the issue and opened a case. The manufacturer referred the contact to the NHTSA hotline to report the failure. The failure mileage was unknown.