When a vehicle won't start first check to see if the battery is dead. If not then check the gas, if neither of these are the issue contact a mechanic.
I replace engine but now it wont start.
Start by having the fuel filter changed.
Ford cars have always had very poor tolerances, they are smokers. not very reliable at all.
What registration dose the new shape ford focus start from
2007 ford freestar
do you have gas in the tank
Change the fuel filter.
Windex and a paper towel does.
wont start
if it is a new ford focus then no, alot of new cars have regulators on them.
Ford F-150 will not start all it does is make a clicking noise
The starter is bad and the brushes need changed you can change them your self for dirt cheap or replace the whole starter for more money.