The car turns over but wont start sometimes it starts I go to the store shut it off come back and it wont start new battery and coilpack plugs wires cap rotor so im baffled maybe a sensor I started it parked it now it wont start
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I see that you replaced battery, coil, plugs, wires, cap and rotor. Did you or do you have a check engine light or SES light on? If you did not I agree with the problem being Anti theft which includes a replacement key not having a transponder chip. BUT at the same time it could be something as simple as dirty battery post or bad battery cables, since sometimes it does start. I RECOMMEND CHECKING THE BATTERY CABLES FIRST. let me know if this works for you.
SOURCE: put in new alternator 98 ford taurus dohc car will start thn stop
Check mega fuse. Side of fuse box under hood. Slide cover off and test both studs. Should have 12 volts on both studs. If not. Fuse blow.
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: 2001 Ford Taurus - won't start. Cranks really good
George,
Lots of possible choices... but junk yard coil as a replacement (easy for you to do) can eliminate that potential problem for just a few dollars.
If that fails, have a friend help you confirm that you have spark - by pulling a plug wire and holding it against (near) a good ground. If it sparks over 1/2 inch - it is not spark.
If that fails, pull a plug wire off a spark plug. Crank the engine for 10-15 seconds. Now remove and inspect the plug for gas wetness. If wet, it is not fuel flow.
If that fails, it could be timing, timing belt, or a large number of other issues - most cheap to fix but time consuming to locate.
Do the above tests then come back and let us know what you find!!
SOURCE: my 2001 ford taurus wont
your anti theft is more than likely doing it is their a key pad where you enter a code? If so you need to enter the code that was hard wired to it when you have a bad battery or change the battery the system defalts to the hard wired code, if you don't know the code it should be on a sticker in the trunk I think it is on the hindge to the trunk lid right side!
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