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A couple days ago my Explorer was ran out of gas. I did put 5 gallons in it but it would not turn over. I waited a day to go back in hopes that maybe it was flooded; no avail. This is likely a burnt fuel pump or bad fuel filter. As I researched more it could be something elictical as well. Yesterday my buddy checked the computer with a code tester and came up with nothing. We switched the relays around and checked the fuses and came up dry there as well. Today we are going to tow it to a garage to check the fuel pump and filter as it was to windy to hear the fuel pump. My problem lies in that i am working on limited funds and the fuel pump is 140 dollars. So before we go there (after checking the fuel filter of course) I would like to know if there is something else I should be checking as well?? Any suggestions??
Other than the fuel pump possibly being bad, my only guesses are that the fuel pickup in the tank might be clogged, bad electrical connection, bad fuel pump relay, tripped inertia switch, or you may need to cycle the key from off to run a few times to re-prime the fuel system.
we are able to hear the fuel pump click on and it hums for 2 to 3 seconds only. I was told it should hum for longer than that. We did pull off the fuel filter, it was not clogged but needed changed. With the new filter on and turning the key forward to prime the pump we are getting it to turn over but it will die imedietely.
Might take some more priming - cycle the key off and on - also, might be an issue with the fuel pressure regulator. Might want to see what kind of pressure you are getting at the fuel rail and check the regulator vacuum line for wetness / fuel smell. Might also want to put some more gas in the tank - could be that 5 gallons is not enough for the re-prime. Could also be the in-line fuel filter (I am guessing the pump is in tank and has a sock filter). It's doubtful it's the idle air control, but that is also a remote possibility. Are any of the intake parts loose?
The fuel pump should only run for 2-3 seconds. I had a similar problem when my ranger ran out of gas. It took forever for all the air to get out of the lines. Letting it sit over night seemed to help bleed it out.
On the engine, around the intake manifold somewhere should be a little bicycle like schrader valve, take the cap off and push on the pin in the middle while you have someone cycle the key. That will help bleed it faster.