What would cause 2007 Ford to not start, but once it does no problems for the rest of the day.

Question

When you first go out to start, it cranks but has trouble starting. But then the rest of the day it starts right up. Changed fuel pump but still doing it.

Answer 1

This is common in old cars, low temperatures overnight can cause your car battery to produce less power, which makes it much harder for your engine to crank in the morning. The cold can also cause your engine oil to stop flowing as it should, which puts even more stress on the battery.

Answer 2

The cold engine injection system could be failing.

Answer 3

Winter is coming and your battery may be about to die soon. Batteries hate cold weather. So overnight cold can lower the power of your dying battery. When car is running during the day, the warmth of the engine and the sun keeps the temperature healthy for your weak car battery. So get your battery checked, or wait for the battery to die completely and change it with a new one then.