Check Engine Light On problems of the 2005 Mercury Mountaineer

The contact owns a 2005 Mercury Mountaineer. While driving 35 mph, the vehicle stalled and the engine shut off. This has occurred three times since 2006. The failure is most common while driving down an incline and when the cruise control was activated. The check engine light was illuminated and the power steering does not operate normally. The vehicle restarted after ten to fifteen minutes. The failures occurred on December 18, 2006, January 19, 2007, and December 4, 2007. On each date, the dealer diagnosed the failure for thirty days and stated that they were unable to diagnose the cause of the failure. The dealer advised her to deactivate the cruise control and make sure there is enough fuel in the tank. The mechanic stated that if the failure recurred, the vehicle should be towed to the dealer before attempting a restart. The manufacturer has not offered any assistance. This is the second complaint filed with NHTSA. The failure mileage was 12,327 and current mileage was 27,000. Updated 01/24/08 updated 01/24/08.