Throttle body reset.

Keep the key in for the entire process.

1) Turn the key to the on position, the position just before the starter turns over.

2) Press the gas pedal firmly to the floor with the key in the "on" position.

3) Hold the pedal to the floor for five seconds, then turn the key back to the "off" position (don't remove the key), then release the gas pedal.

4) Wait 2 mins. for a full reset

Summary: Key on, pedal down 5 sec, key off, pedal up, wait 2 minutes.