If your engine turns over but doesn't start it is either not getting fuel , spark , or air
wont, start,change punp,not getting gas
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Type your answer here... will not start to still run
Load test the battery, than at the starter. You'll need 10+ volts to turn the motor over fast enough to start. If all is well then you most likely have a loose or corroded connection between the battery and starter relay.
buy a new battery ford starters will short if there is a problem with the battery this short will turn the starter over by itself
check your ignition module, especially if it a straight six.
Check your vacuum hose.
why does my ford expedition crank over but not start all the time
your fuel injector is under your plentum which goes over you valvecover to your trottle body.
dip stick for transmission is over to one side behind the engine.
Do your headlights work ? or your interior light ? If not , it could be a battery cable connection or a dead cell in your battery
The starter have a bad rep But you can replace the relay and clean the connections but 9 out of 10 times it's the starter itself.