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Ford Econoline Hard to Start

I have a 1991 Ford Econoline. Recently had the dual tank relay switche replaced at Ford. Now the van has difficulty starting in the morning after sitting overnight. She cranks but won't catch. Once started, it's good the rest of the day. What's causing it not to start after sitting overnight?

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  • Gil Golti
    Gil Golti Feb 10, 2014

    Thank you for your response. It's EFI and I noticed Ford did not seat the air intake hose fully allowing air into the system. Could this be the culprit preventing the engine from starting after sitting overnight?

  • Bill Boyd Feb 11, 2014

    It could possibly be as if the hose was not tight the air would enter with the leak back of the fuel

  • Gil Golti
    Gil Golti Feb 13, 2014

    I went ahead and repositioned the air intake hose to seat properly. Previous Ford mechanic crushed the intake hose end creating air gaps. It's been starting every morning since....knock on wood. I will update this column if the problem persists.

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  • Ford Master
  • 45,634 Answers

I think that if you have a carby system that I would be checking the auto choke operation. IF efi I would be running fault codes looking for sensor problems in the air intake area. Check the duel switch and ensure that there is not possibility of an air leak allowing fuel to drain back in the system as replacing the unit appears to be the start of your problem

Posted on Feb 09, 2014

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: Why won't my 1992 Ford Econoline van start

I suspect the fuel pump has stopped working, check the fuel pressure or listen to the noise it makes by taking off the gas cap and listening for a humming noise when the key is turned on, this will stop after a few seconds.

Posted on Nov 07, 2008

  • 95 Answers

SOURCE: 1991 Ford F150 starts for an instant then stalls

my dad used to say you need two things to start a motor; gas and fire. Check these and make sure they are both good. You have to go through the steps from there. Could be a fuel filter. could be bad plugs. etc. etc... Hope it helps.

Posted on Mar 21, 2009

  • 2 Answers

SOURCE: 1995 ford econoline van speedo/trans

It is either the speed sensor, the wireing in between ot the speedometer module it self. The sensor sends pulse train signal to the speedometer module and there it drives the speedometer and is divided in frequency by about 7 and feed to the computer and the cruise control. When the signal drops the Engine management computer thinks the speed is real slow and raises the transmission pressure.

In the one I had it was a cold solder jooint on the bacjk of the speedometer module itself but this was the divided output and the speedometer itself still worked. The easyest part would be the sensor that mounts on the rear axile I believe and should cost less than 30.00 dollars. If not that thebn it's the wiring or the speedometer module electronics..


Posted on Mar 25, 2009

Mr BrokRench
  • 1623 Answers

SOURCE: 1997 chevy astro van has poor starting problems after it sits all

hello ralph...check the coolant temp sensor. It acts as a choke to richen fuel mixture when cold. If it doesn't work correctly, hard starting will occur. Once engine reaches operating temp, the problem is usually non-existent. also....
Worn spark plugs.
Fouled spark plugs.
Worn distributor cap and rotor.
Old ignition wires.
Low engine coolant level.
Faulty MAP sensor...any of these will effect cold starting....

Good luck...i hope this helps.

Posted on May 17, 2009

  • 176 Answers

SOURCE: 1990 ford f250 5.8 cranking but won't start. two

Assuming you mean the tank transfer switch, yes

Posted on Sep 03, 2009

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Please Help ME by Remembering to RATE ME Thank you Vrey Much !!!

This vehicle does not use an external fuel tank switching valve. A supply check valve in the fuel pump assembly opens when the outlet pressure from the energized fuel pump exceeds the opposing check valve spring force.


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