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1991 Ford Econoline Problem Starting

I have a 1991 Ford Econoline 350. I recently had the dual tank relay switche replaced at Ford. Now the van has difficulty starting in the morning after sitting overnight. She cranks over but won't catch. Once started, she's good the rest of the day. What's causing it not to start after sitting overnight?

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  • Cars & Trucks Master
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It may not have anything to do with the tank switch. It sounds like the check valve in the pump has failed. The valve prevents fuel pressure from draining back into the tank.

Posted on Feb 09, 2014

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6 Suggested Answers

6ya6ya
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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

billtec
  • 63 Answers

SOURCE: Peugeot Partner Van 51 Plate

HI,AS IT IS HARD TO START THESE EXTRA COLD MORNINGS WE ARE GETTING,TRY A SET OF GLOW PLUGS, YOU CAN SEE THEM ACROSS THE FRONT OF THE CYLINDER HEAD,WITH A WIRE JOINING THEM UP,YOU WILL NEED A 8mm SCOKET , FOR THE WIRE, AND A DEEP 12mm ONE FOR THE PLUGS,UNSCREW TO THE LEFT,AND PUT A BIT OF GREASE ON THE THREAD OF THE NEW ONES AS THEY CROSS TREAD EASY,ABOUT 17POUNDS FOR A SET,THANKS.

Posted on Jan 04, 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

thunderalley
  • 432 Answers

SOURCE: 1996 Chevy 5.7 1500 van will not start

Dont ever spray strting fluid in a gas engine you can ruin the rings.MAF is probably bad.

Posted on Sep 24, 2009

richie9911
  • 155 Answers

SOURCE: 2000 Ford Ranger hard to start:

Unfortunately there are many things that could be causing this. I would check the engine coolant temp. sensor ..and see what its reading with the engine hot. Your going to need a scan tool to get that reading...or just change the sensor...good luck

Posted on Nov 26, 2012

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Ford Econoline Hard to Start


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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.


R E C A L L 1991
THE DUAL FUEL TANK SELECTOR VALVE MAY MALFUNCTION AND CAUSE AN OVERFILL CONDITION IN ONE OF THE FUEL TANKS, RESULTING IN AN OVERFLOW OF FUEL PAST THE FILLER CAP.
THE OVERFLOW OF FUEL PAST THE FILLER CAP CAUSES A FUEL LEAKAGE, WHICH CAN RESULT IN A FIRE WHEN EXPOSED TO A SOURCE OF IGNITION.
REPLACE THE DUAL FUEL TANK SELECTOR VALVE.
SYSTEM: FUEL TANK, AUXILIARY.
VANS AND LIGHT TRUCKS WITH DUAL FUEL TANKS PRODUCED IN THE FOLLOWING PERIODS: F150, F250, AND F350 LIGHT TRUCKS BUILT BETWEEN FEBRUARY 28, 1989 AND JULY, 1989; ECONOLINE BUILT BETWEEN FEBRUARY 28, 1989 AND FEBRUARY 11, 1991.
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