I HAVE A 2007 EXPEDITION THOUGHT THE FUEL PUMP ...

2007 Ford Expedition

Tiny

Buckyallen

December, 27, 2012 AT 1:41 PM

I have a 2007 Expedition thought the fuel pump was out. Changed fuel filter on it. It will not run I can blow on the clean air vent hose that goes to the EVAP. And it will stay running for about 5-10 min then dies and will not restart till I blow on the hose again. And starts right up. When it goes to die again I blow in the hose and stays running. Any idea? It did all that before I changed the filter.

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5 Answers

Tiny

hmac300

December, 27, 2012 AT 3:31 PM

Scan for codes and check to see if your evap valve is working

Tiny

Buckyallen

December, 27, 2012 AT 3:50 PM

Forgot to put no codes show up. Is the EVAP valve in the canister. How do you test it

Tiny

hmac300

December, 27, 2012 AT 4:04 PM

See if it getting power if it doesn't then it's'another problem but it will only work at certain time it really needs a smoke test to make sure no leaks as well. Also moight be plugged up

Tiny

Buckyallen

January, 3, 2013 AT 9:06 PM

Will a bad fuel pressure tank sensor cause the fuel pump to not work

Tiny

hmac300

January, 3, 2013 AT 9:56 PM

The pum is controlled by the pcm which sends a ground to the relay on start u thenis taken over by theoil pressure switch which tells thepcm to conitnue operation. If this has been hit recently check the inertia switch in left cargo corner. Yo may have a blocked return line if it doesn't get power there is abad connection between relay pcm switch etc. Either that or wire grounded out and now sending a signal. Blowing in the vent pipe which you are doing sholdn't effect it either way, if you aren't getting fuel pressure see if you are getting pwoer to pump if you are then the pump is bad which will require a whole new unit which the fuel tank pressure sender is included.

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