Mechanics

FORD F-250 FUEL PRESSURE PROBLEM

1995 Ford F-250 • 100,000 miles

I have a 1995 f250 fwd with a 4.9L efii engine. It wont start unless you prime the motor via air intake. I have changed the fuel filter.
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Michaeldowning
February 7, 2013.




Scan for codes and check fuel pressure first
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Hmac300
Feb 7, 2013.
Thanks HMAC300 [expert] I figured thats what you would say I was hoping you knew a few magic words you could mumble over it and everything would be fixed. Oh well, guess I'll go to the auto parts store and buy me one of those "new fangled" gadgit sos I can check them-there codes you were talking about. Thanks again, I may be back in touch later. Respectfully yours, Mike downing


Tiny
Michaeldowning
Feb 7, 2013.
Make sure to se if you can rent a fuel pressure gauge becasue some codes are caused by low fuel pressure and as you have to prime through intake kinda sounds like it's low pressure pressure shold be 45-60 psi and ground the test lead at the point I have shown in pic.


Hmac300
Feb 7, 2013.

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