Our first F150 ecoboost purchased in July 2011 was taken by Ford as a lemon. The replacement truck provided in November 2011 has the same issues. While driving in rain on a freeway our V6 ecoboost F150 truck engine starts to shudder, shake and then rapidly lose power while driving at highway speeds. Then the engine completely shuts down when accelerating. Our vehicle barely made it to the side of the road where it stopped running. After letting it sit for a few minutes the engine was restarted. Although the engine worked the truck continued to shudder and shake with limited ability to accelerate for the remainder of the 3 hour drive. Over a period of many months the problem recurred many times, almost always when driving in the rain. The problem was even worse while driving in the rain and towing a boat trailer. The problem is especially horrific when towing a trailer and driving in the mountains in the rain. The problem also occurs no matter then weather when driving through the mountains of Kentucky, Tennessee and northern Georgia. The truck is totally undependable. Although the truck has been in the dealership for repairs the problem is not fixed! on top of the loss of power, a life threatening situation when driving in traffic on any road especially a freeway, the miles per gallon has never been higher than 18mpg when driving on a freeway at 55mph (confirmed by a Ford mechanic) significantly below the product advertisement by Ford. To date after multiple times in the Ford dealership repair shop the problem has not been fixed.

- Saint Augustine, FL, USA