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alfred cox jr Posted on Jul 23, 2014
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Why 1996 f 250 turns over good but will not start all fuses good ?

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Keith Bowers

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  • Expert 153 Answers
  • Posted on Jul 23, 2014
Keith Bowers
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Several possibilities. Either no ignition or no fuel to the cylinders.

First determine the fuel pump is running when you crank. If may have failed. You will have to crack open a fuel line (or install a service test gauge and measure the pressure).
Second -if fuel pressure is good-- no ignition spark. If there is fuel and fire--its gotta run. No spark can be caused by 1) crank angle sensor --measures the rotation and decides when to fire -automatically sets the timing. If no signal, no spark. Fuel injectors also will not open.
2) Engine 'ECU' faled/malfunction'. Ford (Motorcraft )made for many years ignition control modules with a defect in the circuitry. Every once in a great while --no spark. You could 'reset' the module by briefly (just a spark touch) by reversing the battery connections

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Related Questions:

1helpful
1answer

2007chevy impala no start no brake light,power windows,door locks,all fuses good trunk lock dont work battery good starter good grounds good

Will a scanner communicate with the computers ? PCM , BCM , ABS , SRS , IPC, etc....
All fuse's good ????? Did you use a DMM - digital multi-meter an test B+ voltage across the fuse's ? No start ???? When turning the key to start what happens ? Does the starter engage an spin the engine ? or not . Do you know how these systems work ? Computer controlled ! What engine does it have ? Could have come with 3.5, 3.9 or 5.3 .
When turning the key to start ,sends a low voltage input to the BCM - body control module , the BCM sends a message on the GMLAN serial data network to the PCM - engine computer to energize the starter relay . Your best bet ,have it towed to a qualified repair shop.
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I have a crank and no start issue my dash lightsSRS,e brake,oil,battery,wont come on and no turn signals when i turn the key

the connection on the firewall is corroded,pull your fusebox and check behind it,it could be burnt too
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Car turns over but won't start fuel injector fuse and ignition fuses are good but no power is getting to them. also the stereo and wipers only work when ignition is on accessory. when its on r

Sounds like it could be a bad ignition switch-the electrical part, not the lock cylinder. When key is in the on position (run), those fuses should be powered. Are all the maxi-fuses good? They distribute power throughout the car's electrical circuits-like the fuse panel, for instance, so check the maxi-fuses. If good, probably the ignition switch is bad.
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It wont turn over battery OK what could be wrong? starter or fuel pump

If it will turn over, and not start, you are missing either fuel or spark...Those need to be checked. (No fuel doesn't automatically mean bad fuel pump, as injectors need to "fire" the fuel.)
If it won't turn over, or clicks, and your battery is good, it might be the starter motor.
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DODGE NEON 1997 WILL NOT START

Check your fuel pressure.
Possible fuel pump malfunctioning, check the fuel pump fuse and realey.
Check your ignition .
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My 07 Odyssey is not starting in today's cold. There's a clicking sound when I turn the key. Battery is fine. Owners manual indicates it may be a blown fuse, but diagram isn't very helpful in narrowing...

If you are getting a clicking sound, then the starter is not getting enough power. There are three major things that must work in order for a starter to work. A good power source with good connections, a good starter solenoid (puts direct battery power to the starter motor when you turn the ignition to start), and a good starter motor. Usually a clicking sound indicates a fault in the first two items mentioned. If it were a blown fuse, you would get absolutely nothing when you turned the ignition key.
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Try to start it and nothing happens it wont turn over

Check all your fuses..It maybe just your fuse for the ignition...which in fact turns your starter over.... And yes your starter is good, if it tries to crank when you jump it..Now if your fuses are good, then yea your problem mat be the ignition switch itself....But check all your fuses first...Goodluck...
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