Throttle Control Warning Light On Problems of Mercury Milan

The contact owns a 2009 Mercury Milan. While driving 50 mph, the vehicle began to decrease in speed when the accelerator pedal was depressed. The throttle control light illuminated during the failure. The failure recurred randomly. The vehicle was not diagnosed nor repaired. The manufacturer was notified of the failure. The failure mileage was approximately 150,000.

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While driving on interstate at 70 miles per hour, the car jerked and the car immediately decelerated. The throttle warning light came on and we had to maneuver through multiple lanes of traffic to get to the shoulder. The car was idling very rough. Parked the car and turned off the ignition. Restarted the car and it ran fine for 2 days, when it occurred again, this time we were driving at 40 miles per hour. It has since occurred 5 more times, mostly at highway speeds, during rush hour. This has occurred both with the air conditioner running and when it was off. We have come very close to being rear-ended multiple times, we were not in safe situations and this is our only vehicle. I am unable to afford a rental car and the dealership will not provide us with a safe vehicle.

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Engine goes limp. Throttle body control light comes on. Ford has replaced the throttle body control twice and the problem keeps coming back. Ford will not consider any other problems and keeps wanting to replace the throttle body control. Most often happens when in reverse going up a hill. If I place the car in park and turn off the engine, then re-start, the engine is no longer limp. This problem has occurred over 6 months, multiple (>20) times.

While driving, the throttle would lose the ability to send fuel to the motor thus causing no acceleration ability. I was required to pull off of the road and turn the vehicle off and restart it. The check engine light and throttle light came on. The vehicle needed an new electronic throttle body.