WASHINGTON—Ford Motor Co. is recalling 737,000 vehicles in the United States over a part that could develop an oil leak and a software error that could hinder braking, it said on Friday. The automaker is recalling 345,451 of its 2020-2022 Ford Escape and 2021-2022 Ford Bronco Sport vehicles with 1.5L engines because the engine oil separator housing could crack and develop an oil leak that might cause an engine fire. Ford said it had reports of at least eight fires that may be related to the issue but no related injuries or crashes. Dealers will inspect the oil separator for damage or oil leaks, and replace the oil separator and seals, as necessary. Ford is also recalling 391,836 2021-2022 F-150, 2022 Ford Maverick, Expedition, Lincoln avigator, F-250, F-350, F-450, and F-550 vehicles because a towed trailer equipped with an electric or electric-over hydraulic brake system might not brake. Dealers will …