Presumably you mean slow cranking. Check for weak battery or bad starter.
If not slow cranking so much as long cranking time check for loss of fuel pressure overnight using fuel pressure gauge. If so, suspect leaking injector or possibly leaking regulator.
why does my ford expedition crank over but not start all the time
Front brake rotors are warped
wont start
I'm not a mechanic / technician but I believe that was the ( 1999 model year of the Ford Expedition )
yes
check the microchip in the key if its missing or bad the truck wont start
Ford Expedition was created in 1997.
i need to know where the gearbox is for my Ford Expedition
07
Yes a Ford Expedition can have a snow plow
No , not in the full size Ford Expedition ( but there was an Expedition trim level on the Ford Explorer years ago that had a V6 )
keys have to be reprogram to the cluster