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Re: think it is a fuel pump relay problem
On the top of the engine U will see a metal tube that is the fuel supply to the fuel injectors, it has round sockets that fit over the tops of the fuel njectors, on that rail is test port, it looks like a metal valve stem, you will need to hook up a fuel pressure test guage to that test port, you may be able to borrow one from Auto Zone or Kragen auto free, hook it up and drive the car until it stops then see if it has fuel pressure.
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Have a pressure check run on your fuel pump. Sounds like fuel pump is ready to totally fail. Just had this happen on my ford expedition. And that was painful changing out fuel pump. Took 4 hours and was a dirty job too
www.city-data.com > ... > Brand-specific forums > Ford and Lincoln Aug 14, 2010 - 10 posts - 10 authors
This is a safety feature that shuts off the fuel pump if the car takes a ... 1994 FordTaurus 3.0, my car has 46000 miles on the odometer, ... I stop for usually an hour then head out again about 1/2 hour down the road the car dies.
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Turn on key and have someone listen by back of car for fuel pump running it will only run for 5 or 10 sec with each turn of the key. Not running check fuel pump fuse and fuel pump relay. Take another relay out from another spot and swap them to see if it works
if you already replaced the fuel filter, it could be low fuel pressure to engine from a bad fuel pump. check the fuel pump relay first ! it could be getting hot and shutting down. check the fuse too. and run some good injecter cleaner in it, the injecters might be clogging up. good-day !
yea you have no fuel and sound like a bad harness and the gm's are know for there fuel pump harness's! did you change it when you changed the pump? there is a lose connection somewhere in the fuel delivery system and it's pretty simply! i would check the fuel pump relay on the left hand side of the engine compartment and maybe even put power to the pump at the relay position "b" on the fuel pump relay harness and there should be a one pin connector to put power to also connected to the same position on the relay "b" the wire should be tan and white! good luck
recheck spark by putting a plug into one of the plug wires and place on valve cover, crank engine and see saprk in that plug. check fuel pressure during cranking to verify fuel supply. If you have no fuel pressure check fuses and fuel pump relay, in fuse box and power distribution box under the hood. If all are good check for power at the fuel pump connector with the key in start position, in run position the power will only be there for about 5 seconds, you are correct with fuel and spark it should run, let me know what you find
Did you try the fuse panel under the hood. I have a 1994 Explorer with over 100,000 miles and it would do the same when I was driving it would sometimes just shut off. Check the EEC (Electronic Emission Control) Fuse (30 AMP) under the hood and see if it's blown, I replaced mine with a 40 AMP fuse and it worked.