S 67;Had problem with error code indicating low fuel rail pressure and engine was losing horsepower. Changed fuel filters and problem cleared up until the next evening. Called agco and then Phil Ryan. Phil Ryan said they had one where the plastic shavings from the fuel tank manufacturing process were blocking the screen inside the fuel tank when the tank gets low. Agco mecjanic said to check the strainer in the fuel line on left side of machine after the fuel shutoff petcock. The strainer was full of plastic shavings from the tank manufacturing process. There is no problem when the fuel tank is full as the plastic shavings float to the top of the fuel tank. It occurs when the tank is low; sooo I guess we are gonna drain the tank and clean the tank filter after spending 100 bucks changing filters.