Car Will Not Start Problems of Mercury Mariner

Problem started in December 2015, and got progressively worse. Engine would not start when ignition switch was turned to the start position. Had to make several attempts at it, and apply downward force on the key until the necessary contact was made. Once started it seemed to run normal. Ford dealer diagnosed the problem as a defective "ignition lock cylinder housing". They replaced it with a new one, part number 9l8z*3511*a. Engine starts normally now. Total cost to me $527. 74.

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After going through a car wash, I received a warning on the dash that there was a problem and that I should find a safe place to stop. When I returned home and stopped the car it would not restart. The same thing happened on February 16,2013, again after going through a car wash. The local dealer was able to get the vehicle running, but would not say that it was repaired.

New 2008 Mercury Mariner intermittent will not start or hard to start and when starts emits heavy black smoke from exhaust. When car did not start left daughter in a unsafe environment. Took car to local dealership, service department admitted Ford was aware of the problem there is a service bulletin out on the car bulletin # 6023000 and # 20140. Dealership also admitted Ford has no fix for the problem at this time. Car is unsafe and can leave the driver in a deadly situation.

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