Question about 1995 Ford F250

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My 1995 F-250 wont start most mornings almost like it has no gas or looses its prime when turn on key I can hear my fuel pump turn on and I have 2 tanks so I know my pump is working

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  • Ford Master
  • 635 Answers

Check fuel filter replace if needed. Check for cel codes, check that the coolant temp sensor is good if not replace. Check your fuel pressure regulator.

Posted on Oct 14, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 24 Answers

SOURCE: WON'T KEEP RUNNING

Check the exhaust compression. Remove the O2 sensors before the cataylic converts and see if it improves. If it does that means your cats are cloged and need to be replaced.

Posted on Feb 21, 2009

jackiaria
  • 350 Answers

SOURCE: 99 Taurus wont start unless primed. Fuel pump is working

Check/Change Fuel Filter(s), PVC Valve & Emission Hoses
and/or
Gas that sits too long won't fire easily that's why we have to add winterize to our lawn mowers!
Try filling the tank with some high grade fuel cleaner additive. This stuff is like rocket fuel (about $10).
Also add a can of dry gas as you may have a lot of water and water vapor in your system!
Get a couple more cans of starter fluid too. (I always needed at least two to get my diesel running for summer)
Keep spraying and starting (It always took me at least a full can sometimes 2)
When it starts keep the gas pedal down and rev high for a good 5-10 minutes then see if it will idle.
If it still stumbles and falls consider adding another can of fuel system cleaner and/or dry gas.
Don't drain the tank as this usually just makes it worse by letting the bottom sludge stir up.
Never let your gas tank get too low as this will foul up your fuel system and always add fuel cleaner after every oil change (a must for fuel injection and cat. converter care)

Good Luck!
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PLEASE RATE THIS!

Posted on Mar 08, 2009

ftw1952
  • 10319 Answers

SOURCE: I dropped the fuel tank to drain old gas.I put new

Turn the key to the ON position without starting the engine. You should hear the fuel pump running for 5 seconds if working. This primes the gas to the injectors when doing this. If not heard running check the oil pressure switch for the 12 volts needed to run the fuel pump starts there on that harness. When the engine starts and the oil pressure reaches the normal pressure the computer shuts off that circuit and turns on the fuel pump relay to run the pump. The relay stays on till you shut the engine off

Posted on May 08, 2010

  • 6 Answers

SOURCE: 2003 ford f350 with the

ummm that could very well be the fuel pump... you want to check the fuel pump fuse and also the solenoid thay do go out but most likely the fuel pump has gone out one way to check and see if its the fuel problem is to spray some carb cleaner in the air in take and try to start if it dos and dies that means your not getting fuel delivery also test your pump delivery pressure....the fuel pump is located in side the fuel tank...

Posted on Sep 05, 2010

dttech
  • 4803 Answers

SOURCE: 2001 ford taurus will not start. When cranking or

OK, let me help you with the diagnosis without having to do the "Fred Flintstone beat on the fuel tank" thing.

All you really need is a 12 volt test light and a LONG jumper wire.

Since you already know where the inertia switch is (red button in the trunk), this should be very simple for you.Connect one end of the jumper wire SECURELY to the NEGATIVE battery post. Then string the wire back to the trunk (we want to make absolutely certain that we have a known-good ground for our test lamp).
Then connect the cable end of the test lamp to the wire.
Disconnect the connector at the inertia switch. Using the probe end of the test lamp, probe Pin #1 PINK/BLACK (unfortunately, on your vehicle, BOTH wires are PINK/BLACK, so you know which pin to probe, pin #3 is the one that is not used - pin 31 is the one on the other end of the connector.)
Turn the ignition switch to the ON position. Your test lamp should light up for approximately 2 - 3 seconds then go back out. If it does, then you powertrain control relay, your fuel pump relay, the fuses for each of them and the PCM are functioning properly. If it does not light, let me know and we will go on to find out WHY.

If all of this is working, you most likely need a fuel pump. It IS possible that you could have a bad connection between the inertia switch and the fuel pump unit, but it is not very likely and you will have to pull the fuel tank to find out ....So, you may as well put a new fuel pump in if you are going to have to go through all of this anyway.

Posted on Oct 03, 2011

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1 Answer

Car was very low on gas and would not start Used gas can and put 3 gallon in tank, still would not start. Next morning, tried to start several times and engine finally started. Let car run for 15...


I suggest to check fuel pump pressure,also can you hear the fuel pump with the key in on positionyou should be able to hear fuel pump prime the line

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Thanks for choosing FixYa and welcome. You probably need to prime the engine. You need to put a little gas into the intake and then try starting it. Check to see if you have a fuel reset button. It may be located in the glove box. If you prime the gas, it should start. You might have to do this a few times before it will catch. If it doesn't, there might be a chance that you have another issue. Make sure you can hear your fuel pump kicking on when you first turn the key. Do this first. Turn the key on for 10 seconds and turn it off for 10 seconds. Do this 5 times and then try to start it. Repeat the process if you have to. This will prime the fuel pump.

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well if you have a carb engine you wont hear a fuel pump prime. cause its mechanical an its bolted to the engine it runs off the cam lobe. but if you us to hear a fuel pump an dont know then the fuel pump went bad on ya.

Jan 04, 2011 | Chevrolet Blazer Cars & Trucks

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Sounds like fuel pump issue. Do you hear the buzzing sound when you turn the key on, it should go for about 2 seconds,( which is the fuel pump priming the system with fuel)? Replace the fuel filter as well when you replace the pump, if it is the pump.

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Ran out of gas yesterdya and wont start today.


If you ran out of gas, then you will need to perform the following. Turn the key to the on position (do not start). Turn key off. Repeat the process a few more times. Also, have someone help you, for when you turn the key to on, you should be able to hear the fuel pump hum. After a few times, try starting the vehicle. Air has gotten trapped in the fuel injectors. By turning the key a few times, it primes the injectors. If it still will not start, or you cannot hear the fuel pump, then have it checked out. Hope that works. Let me know.

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THere is no gas in the fuel rail at the time gas is running out. WHen you fill the tank, it needs to pump for a while so fuel can fill up the rail then the Fuel distributor so it can build up pressure for the injectors to work properly. It need to continue cranking at least 2 minutes. However you don't want to run out the battery, so can just turn on the key to hear the sound of the fuel pump stops, then turn key off turn key on again. Repeat this for 6 times then start the engine. The reason for it is that every time the key is on it turns on the fuel pump to prime the line then turns pump off after a specific time, then it turns on again only when key is at ignition position. By doing this you help to pump gas into the fuel rail instead of the starter continue cranking draining down battery fast. Cheers.

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1 Answer

My 1995 Lincoln Mark 8 wont start how do I know its the fuel pump


go out and sit in your car with the door open turn on the ignition key and when you turn it on you should hear the fuel pump prime in the gas tank, if you hear it prime up then its something else. If you don't its the pump.

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if it's fuel injected,look on the fuel rail for a schrader valve--looks just like a valve stem on a tire but shorter.remove cap,again just like on a tire.turn key to on-push valve stem in as if to let air out if you get air,then gasoline,you have just bled the system.replace cap,start car.if you get no gas,remove gas tank cap,turn on key,listen for ""hum'' of fuel tank.no hum,check fuel pump.modern[plastic] fuel pumps will self destruct if run dry,even for a short time.

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1 Answer

After running out of gas wont start


after you put gas in it did you prime the system?

when the gas runs out it drains the fuel lines, so after you put gas in the tank you will need to prime the system. To do this turn the key on to run but don't crank the starter and count to three, then key off and out. Do that three to four times and that should take care of getting gas to the engine.

Make sure you can hear the fuel pump turn on when you turn the key on. Sometimes when you run low on gas it can overheat the fuel pump causing it to fail.

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1 Answer

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youve either got a weak fuel pump,or bad pressure regulator,or clogged fuel filter change it first!!!

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