Your question states that the engine won't turn over. If that's the case, first see if you can loosen the negative or positive battery terminals by hand alone. If one or the other is loose, combined with old, maybe original plug wires, a good splashing into the engine compartment will let slip the very fine gestalt that was letting enough DC voltage to slip past the loose connection on your battery. Take the terminals off, clean the battery posts and terminals with sandpaper or steel wool, and replace the terminal tightly on the battery. If either terminal is loose, replace it new. If it was the wires, it will have started for you by now unless humidity is a constant 100%. If you have never replaced the plug wires, do that too. Less critical, but down the road when you have $35.
SOURCE: 2001 ford taurus wont start and anti-theft light is blinking
Either you may be using a key that you had copied from the original or your chip went bad in your original key. Most of cars now a days have the key censor in the key so if it is the incorrect key it will not start your car or if it does not read that chip it will not start
SOURCE: 2001 ford taurus wont start
It could be bad plugs, plug wires, a bad ground will do this as well. Check to see if it has the three main things.
Spark
Air
Fuel
Anther common problem is the crank shaft speed sensor. It will cause it to not spark and not start.
Joe
SOURCE: My ford taurus just wont start
check that the small [exciter wire] is not loose or disconnected at the starter motor solenoide !
It could also be a bad starter relay!
try bridging the exciter terminal to the posative [big cable ] on the starter solenoide with a screwdriver or a piece of heavy guage wire to see if the starter activates!
if it works would it could be a faulty relay
Cheers Rob
SOURCE: 2001 ford escape sometimes it wont start, then
Sounds like an air leak possibly, check all your vaccum lines that go into the intake manifold.
SOURCE: MY 2001 FORD TAURUS DOHC WILL NOT START IT CRANKS
i would look at the fuel shut down switch .....make sure that it is pushed in most likely your problem
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Sorry, when I mention terminals in the answer I meant the connections, negative and positive, to the battery. Most likely you just have a loose connection in either or even both.
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