Question about 1992 Ford F150 SuperCab

6 Answers

Will not crank

It will crank most of the time but some time it will not. I have had two fuel
pump put in within the last year and still have the problem can you help

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  • John Moore
    John Moore Aug 15, 2008

    it has a 4.9 engin it is a fuel ingection it
    seem that it is not firing or not geting any
    fuel i had new plugs,distributor and rotor once
    it starts it do not stop or miss the engin run
    smooth

  • John Moore
    John Moore Aug 15, 2008

    the starter is good the motor turn good but it
    will not start

  • John Moore
    John Moore Aug 15, 2008

    yes

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6 Answers

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The complete detailed solution n help with all the possibilities is given in following link.

http://www.automotix.net/autorepair/repairtips/

Posted on Aug 15, 2008

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Replace the starter

Posted on Aug 15, 2008

  • 1 more comment 
  • ritchie dempacco
    ritchie dempacco Aug 15, 2008

    try this link
    www.howtodothings.com/automotive/a3189-how-to-replace-a-starter.html


  • ritchie dempacco
    ritchie dempacco Aug 15, 2008

    good luck!!!

  • ritchie dempacco
    ritchie dempacco Aug 15, 2008



    • Check the condition of the battery. A weak battery can't turn the
      starter over. Make sure the battery is at full strength before you
      blame the starter. Your car's instrument cluster should indicate when
      there is a low battery with either a warning light or ammeter.

    • Also check the battery connections, the wires going to the starter,
      and the starter connection. The most important wire is the big one
      running down the back of the battery. It is the wire that goes from the
      battery to the starter. All connections should be snug. Check that the
      insulation on the wires is intact. Tighten any connections loose enough
      to wiggle by hand.

    • Check the starter solenoid. The starter solenoid is a special
      switch that turns the starter on and off. Solenoids rarely cost more
      than $10, and they are fairly easy to replace. When you turn the key,
      have a friend listen to the solenoid for a clicking sound. If there's
      no sound, assume the solenoid is broken and needs to be replaced.

    • If the engine is turning over and still won't start, it might be
      due to another problem unrelated to the starter or battery. Anything
      from a dirty air filter, worn spark plugs, bad spark plug wires, a worn
      distributor cap, insufficient fuel reaching the engine or even blown
      gaskets can prevent a car from starting. If you can't isolate the
      problem through trial and error, it may be time to take the car to a
      mechanic.

    Once you've determined that the problem is not resolved by repairing
    the above issues, it may very well be that you need to replace the
    starter.


    1. Disconnect the battery cables in order to reduce the possibility of accidentally shocking yourself.

    2. Remove the electrical connections from the side of the starter.
      There are usually two wires: a positive and a negative wire. Remove the
      positive wire first, and then remove the negative wire from the
      starter. You may want to mark the connections with a paint pen to help
      you correctly reconnect the connectors to their proper terminals. To
      remove the connections, you'll need to use an open face wrench or
      socket wrench to remove the bolts.
      After both of the electrical
      connections are removed, you'll need to unbolt the starter from the
      chassis. Before you remove these bolts, take note of how the starter is
      oriented. You may want to mark the bolts with paint pens. There are
      usually only two or three bolts that attach the starter to the vehicle.

    3. Remove the starter. In preparation, look closely at your car and
      determine what path will be easiest for removing the starter. It might
      be a tight fit, but you'll need to twist and pull the starter around
      various engine and frame parts in order to get it out of the car. Some
      cars may be particularly tight, especially those with front wheel
      drive. You may have to remove other parts in order to get enough space
      the pull the starter out. If you do remove engine parts, take care to
      remember their proper location. Replace bolts into the same place they
      came from once you pull a piece off. This will help you keep up with
      all of the pieces.

    4. Once you've pulled the starter out, you can put the new starter in
      its place. You'll need to put it back in the exact same way you pulled
      the old starter out. Once you have it in place, put in a bolt just
      enough to hold the starter in place. Then connect the electrical
      connections beginning with the ground wire. Once the ground wire is
      connected, attach the rest of the wiring. Next, install the rest of the
      bolts holding the starter to the frame. Check to see that all bolts are
      tight.






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If there is no fuel pressure ensure fuel pump is working, even if it has replaced it can be the result of a bad assembly or a faulty replacement part.
If you have fuel filter check also the fuel filter and ensure fuel line is not clogged by pumping air with a compressor.
Check if fuel is getting to the fuel pump, sometimes fuel pipes are blocked from dirt or oxide fragments coming from fuel tank.

Posted on Aug 15, 2008

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This is going to be either the wiring that goes to the starter, or a bad starter. Start by checking the ground for the starter. A bad ground connection or worn and weakened ground wire can cause the 50/50 chance whae starting. If the ground wire is good, then remove the starter, and take it to any automotive arts store for testing. Generally when the starter cranks 50/50, the brushes or the armature is starting to wear, and not getting a good contact. The crank sensor has absolutely nothing to do with the engine cranking over.

Posted on Aug 15, 2008

  • Ryan Rogers
    Ryan Rogers Aug 15, 2008

    The motor will not start, this is completely different than the motor will not crank. We need the correct problem in order to help.

    With the motor not starting you need to find out whether it's a fuel problem or spark problem. Remove a spark plug, ground it to the head, and crank the engine. If it sparks, then it's a fuel problem, and you should start with the fuel pump relay, then the pump. If you have the equipment, check the fuel pressure at the fuel rail. If it doesn't spark, then change out the crank shaft sensor.

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  • 258 Answers

By won't crank, does that mean "It won't Start?" or the engine doesn't turn "Trying to start"???

If the first, then there are many problems that can account for this.
The second are fewer.

  1. Bad starter
  2. bad wiring
  3. bad battery
  4. bad ignition switch.
These are the main ones.

Remember, a fire needs three things.
  1. fuel
  2. air
  3. ignition source.
So check for fuel into the carb, through the carb, and out of the carb. Check the choke. and check the spark plugs, coil, etc.
If it seems to fire but sputters or runs rough, then there are bigger problems involving timing, compression, etc.

Posted on Aug 15, 2008

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Sounds like a wiring electrical problem, or the starter is shot. Have it put on a diagnostic test at a local shop. They should be able to tell what is wrong.

Posted on Aug 15, 2008

  • Samuel Ward Aug 15, 2008

    Also, i forgot to mention.. make sure the fuse to the starter is not blown. Check the fuses under the hood of your car.

  • Samuel Ward Aug 15, 2008

    Again, one more thing i forgot it really sounds like a crank sensor is bad. You may have to get a new crank sensor.

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