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I have a 1996 ford f250. recently changed the fuel pump. it kills then its hard to start, when it does start it kills as soon as I put it into gear.

It has a 5.8 liter motor. Idles fine but kills as soon as it goes into gear. Then it is hsrd to start again.

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  • David Gerzseny
    David Gerzseny Apr 16, 2014

    Sounds like it is flooding out. Check the vacuum lines . The throttle body settings may be wacked. position the throttle wrong. Mass Air Flow sensor? ERG? Why no codes?

  • bobby
    bobby Apr 16, 2014

    Believe you are right sbout flooding. Smell gas when it started back up and had black smoke. Is there a fuel regulator on the system or a way to adjust it?

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  • Cars & Trucks Master
  • 1,865 Answers

-if you believe that the pump might not work correctly. You need to check fuse pressure. If it's within its specification than there is other than the pump. It could be bad plug wire, spark plugs are too old.
bad injector.

Good luck

Mai

Posted on Apr 15, 2014

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Posted on Jan 02, 2017

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michigan man
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SOURCE: 97 ford taurus idles and kills when putting it in gear

check the vaccum hoses to make sure none are off and check the timing and also the drive belt and also check the vacuum hose behind the throttle body

Posted on Jan 18, 2009

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SOURCE: truck idels fine but put into gear stalls

you need to adjust the engion timing

Posted on Jun 19, 2009

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SOURCE: 2002 Ford F250 with a 7.3 liter runs but no power

Hi,
First of all I would like to start with this bit of information for you. Most scan tools will not pick up fault codes on a 7.3L diesel. I keep an Actron pocket code reader with me at work to diagnose the gas engines, but when it comes to the diesels I have to use the Ford IDS system to get fault codes. I can't explain why, but thats just how it is.
Now on to your problem........... Without fault codes to go by, I am going to make an educated guess as to what is happening to your engine based on the most common concerns I see with these engines. My guess (based on your description of the concern) would be that one of the fuel injector wiring harnesses located under the left or right valve covers is becoming dislodged. I see this alot and as a matter of fact I just repaired one this past friday.
Since we dont have a fault code to tell us which bank has the bad connection, you will have to remove both valve covers and check where the wiring connects to the valve cover gasket. These connectors, over time, tend to loosen and move away from the valve cover gasket connector causing you to lose up to 4 cylinders, when the engine cools down a bit they regain the connection and work fine. The connectors don't have to move much either for this to happen.
You can go to Ford and buy a new under the valve cover harness for $$$ or you can simply install a plastic wire tie to keep the connector in place. The choice is yours. I would also like to add that if you do this job yourself you will have to remove the big intake hoses that go from your intercooler to the engine. It is critical that you clean the ends of these tubes to remove any oil residue before reinstalling them. You also want to torque the tube clamps to 18 ft lbs when you reinstall. Tighter is not better, they will blow off under pressure.
I also want to add that your truck was involved in a recall (07S57) for the camshaft position sensor. If it hasn't been replaced yet call your Ford dealer with your vin number and ask about it. When this cmp sensor goes bad it will shut the engine off leaving you stranded.
I hope some or all of this helps you!

Posted on May 16, 2010

kalei02EXC
  • 62 Answers

SOURCE: 1996 F250 powerstroke 7.3L keeps dying

It is sometimes difficult to determine exactly what is wrong with the 7.3L engines. Many times it is hit and miss for the do-it-yourselfer. It sounds like you are getting enough fuel at first and then fuel is being constricted. You might want to try changing the fuel filter. Sometimes debris becomes lodged in the fuel tank switching valve which would require cleaning the valve or replacing it.

Posted on Sep 23, 2010

  • 4 Answers

SOURCE: 5.0 liter 91 ford f150

ther biggest cause for this problem after making sure all throttle cables and cruise cables,and if equipt. kick down cables are sticking...is a leaking intake gasket usually the one between the upper and lower intake...check all vaccuum lines for leakes and the brake booster...as for the oil pump if its 4x4 it is quite the chore...5.0lt are famous for low oil pressure if they are high mileage from bearing wear..if your not experienced in big jobs take it to a pro...if you are going by your dash gauge put a mechanical gayge on it to verify the pressure...maybe its just a sender!

Posted on Feb 16, 2011

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