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Ford F-Series Fuel Pump/Fuel System

109 messages,  Last post on Dec 04, 2009 at 1:47 PM

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What is this discussion about? Ford F-150, Truck

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#94 of 109 Re: fuel pump [exbubblehead] by stan58 Sep 06, 2009 (6:09 pm)
Replying to: exbubblehead (Sep 05, 2009 8:41 am) sorry but can't help you on that
#95 of 109 Re: 1990 Ford f150 fuel pump relay [hotrod_7292] by hazymoon Sep 08, 2009 (7:38 am)
Replying to: hotrod_7292 (Jan 12, 2007 7:48 pm) Did you find out what was wrong?
#96 of 109 Re: 1990 Ford f150 fuel pump relay [scubarash] by hazymoon Sep 08, 2009 (7:44 am)
Replying to: scubarash (Jul 13, 2006 4:46 pm) Did you find out what was wrong? Replies to this message: stan58 (Sep 09, 2009 8:17 am)
#97 of 109 Re: 1990 Ford f150 fuel pump relay [hazymoon] by stan58 Sep 09, 2009 (8:17 am)
Replying to: hazymoon (Sep 08, 2009 7:44 am) No I replaced the rear tank but had no luck, will try again when time is available. I wish someone could tell me how to do away with the front or rear tank but have not found that person, and yes the pump in the rear runs.
#98 of 109 Re: 93 F150 P.U. Fuel system [tgj1] by hazymoon Sep 12, 2009 (12:50 pm)
Replying to: tgj1 (Jun 15, 2009 8:09 pm) I don't know about the pancake part but I have 2 1992 f150 fords 6 cyl 4.9 and on both trucks my fuel pumps would not stop running and it would not start. Had gas had spare but the pumps would not stop running when the key was on! I took it to a 35 year ford man he didn't even look at it all he said was it is your IIC box, both times I had him put a new one on and the way I went Part is about $100.00 same with other truck IIC box!! Replies to this message: poli3 (Nov 25, 2009 7:03 am) mike9408 (Nov 25, 2009 8:13 am) poli3 (Nov 25, 2009 12:07 pm)
#99 of 109 1990 ford F 150 Fuel pump wont cut off by wannaname Sep 20, 2009 (11:54 am)
Hello, I have a 1990 F 150 . I replaced the fuel pump and now the fuel pump won't shut off resulting in the truck won't start unless I spray gas in carb. first. I have check fuel filter and gas is coming thru to engine.I also used the check valve in rail to check for fuel,I have replaced the fuel relay, fuel regulator, also. Could any one help with this problem.? I really appreciate all help.
#100 of 109 f-350 6.0 fuel sensor by bmarshall57 Oct 05, 2009 (7:32 pm)
I have a 2004 F-350 6.0 the sensor shows water in the fuel, today I drained the water seperator and there was only a couple drops, last week I changed the fuel filters and added a salution to obsorb the water, also it seems that when I loosen the fuel cap then put it back on the lite goes out for a while,could it be the sensor. thanks for any suggestions
#101 of 109 1992 F-150 by broughan Nov 17, 2009 (7:40 am)
I have a 1992 F-150 straight six. The problem is that when i turn the key to on the fuel pumps run continuously and wont shut off and check engine light is on but the truck will start but runs very very rough. This is and intermitent problem. I can turn the key back off and try it again and then they will work fine and the truck will run fine. Even while driving and seems to be running fine the check engine light will come on and it will run rough again. This just seems to happen whenever and wherever. I have changed the fuel filter, changed relays, cleaned both tanks. Fuel pressure was correct. Any ideas?? Do you think this is a computer problem.
#102 of 109 1991 f150 by dayna11 Nov 24, 2009 (1:49 pm)
when fuel selector is on front tank, engine idles rough and sill stall. If selector is on rear tank, truck idles smooth and runs well. But front tank will start overflowing throwing gas out. and the rear tank loses gas. Can anyone help me?? any ideas of what it could be??   thanks **Dayna** Replies to this message: mike9408 (Nov 24, 2009 2:18 pm)
#103 of 109 Re: 1991 f150 [dayna11] by mike9408 Nov 24, 2009 (2:18 pm)
Replying to: dayna11 (Nov 24, 2009 1:49 pm) You could try reversing the fuel return lines (front and rear).Now As far as running rough on front tank, check for an air leak (cracks etc) on front tank suction hose. (Most of this will be at the fuel switching valve, I believe located inside the left frame rail.)

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