I had a taurus come to me not running and guy said it needed head gaskets so i did the head gaskets including send heads out for resurfaceing when completed car would not start for a while and then when it did start it was misfireing like crazy.So i changed plugs wires,and coil.now it will not start at all.I took the crank sencor off and it has magnitation to it and looks fairly decent withno cracks but is there a true way to test it? and is there a cam sencor?and if so can you give me the location?
The single and double overhead cam engines take different sensors - it should be under a wiring harness close to the throttle cable.
Did you check the computer for trouble codes ?
SOURCE: 96 ford taurus
Had the same problem with a Ford Ranger 4 cylinder. It turned out being a blown head gasket between 3rd and 4th cylinder. Compression was blowing from one cylinder to the other. Some times it ran great then others it couldn't pull it's self.
SOURCE: Blown head gasket
Unfortunately there are too many things that could be wrong Most mechanics will not be tied to a price because the head gasket alone is probably not the only fault.Generaly the head itself is the culprit for the symptom your giving.It may be corroded or cracked and may not be repairable.Then theres all the other bits and pieces like hoses,thermostat etc.Once its all apart and can be inspected you will get your quote,head is usualy sent to machine shop to be inspected and a price for repair/replacement is given by them.Usualy takes a couple of days to get a full quote unless your mechanic has all the nessecary tools and equipment to do it on site.Good luck and hope it all works out ok
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: 2004 ford ranger edge has blinking check engine
have the crank sensor check for erratic operation. if you have done all of that then there is nothing else. and they way the computer knows it is misfiring (if it is) false code maybe and could be bad crank sensor. good luck
SOURCE: 2000 ford explorer ohv 4.0I replaced head gasket.
Do a compresion check, if Ok then timing chain is ok, try some throtle body cleaner trough a vac. hose while cranking if stars, fuel pump is out, another way if you have no codes the most poss. cuase is your fuel pump, check press is gauge handy
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