Hesitating Uphill

Is there a Check Engine/Service Soon light on, if so that would tell a tale when attached to a scan tool the codes stored would indicate the fault. Fords are poor at setting misfire codes. Easiest thing to do is try replacing the spark plugs after that a failing ignition coil is most likely. Checking fuel pressure and looking at live sensor data on a professional grade scan tool may be needed to resolve the problem.

mine is doing the same thing! it also hesitats when its damp outside! ive had trouble 4 couple of years, but is gettin worse.