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2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 or 4.2 V6 engine
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Old 03-05-2011, 10:35 AM
Erie-S-Cape Erie-S-Cape is offline
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Replaced Fuel Pump, Still No Start

I have a 2000 Ford F-150 XLT 5.4L with 215,000. It still drives & until now, runs like a top. I recently had to replace my fuel pump, as just out of no where I would try to start & nothing. You could go back to the fuel tank & kick the side & it would start right up. I finally got to change it & it still won't start. I can hear the pump priming when I turn the key on, but no start. I've checked all the fuses & all seems to be ok & not blown. I read something about an ECU & EEC module but have no idea where they're located or how to check, don't even know if they are relivent to the problem.
Can anyone give me any suggestions? I am so tierd of listening to my wife complain about having to get up early to take me to work before she has to be a work.

Thank you,
Curt
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Old 03-05-2011, 11:00 AM
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n5926g n5926g is offline
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Welcome to the forum!
I would see if there is a "Scrader Valve" on the engine,If so carefully push the center pin standing aside from it,and see if you have any fuel coming out.
Otherwise,I would double check all your hose connections.
I have heard that some of these motors do not have the schrader valve,but of you do it will be on the fuel rail.
I suspect there is air in the system,and perhaps it needs to be bled off.This however is just a guess.I have also heard of a "reset" switch located behind the passengers side kick panel which may need to be reset.The switch I think is designed to cut off the fuel pump in the event of a rollover.
Again,these are just suggestions,as I have had no real experience in having to deal with Ford Fuel pump issues.

In thinking about it...there is supposedly a fuel pump control module located under the truck,which from what Ive heard gets corrosion in it,and causes issues.Specific location....cant say for sure,but I seem to remember its attached to a crossmember under the bed.
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Old 03-05-2011, 11:56 AM
Erie-S-Cape Erie-S-Cape is offline
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Thank you. I'm going out & do some more investigating
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Old 03-05-2011, 12:36 PM
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Let me know what you find....
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Old 03-05-2011, 04:33 PM
Erie-S-Cape Erie-S-Cape is offline
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Well I found the valve, had my wife turn the key & it's for sure getting gas pumped up to the rails. I dropped my spare & found what I believe is the module, but it was in plastic case, couldn't figure out how to pop open. I decided to pull off a plug wire, what a pain, & check for spark. Put new plug in & had wife turn over, NO SPARK. Any ideas what to check next. I haven't worked on vehicles since I had my 70 Chevelle & I can't throw much more money at it trying to figure out what's wrong. Any advice would be greatly appriciated.

Thanks again,

Curt
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Old 03-05-2011, 05:35 PM
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Well..That eliminates the new fuel pump.Concerning the no spark situation,I have no clue.Wish I could help out here,but im stumped
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Old 03-05-2011, 05:41 PM
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The 2000 doesn't use COPs (coil on plug), then?

I think there is an emergency fuel cut-off switch somewhere, that is supposed to block fuel, in case you get in a wreck or something. I don't know where the reset switch is on your truck, but I would check that. In my 84 Mustang GT convertible, it was inside the glove box. Check under the passenger side dash for the switch.

Good luck.
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Old 03-05-2011, 07:26 PM
tmm657 tmm657 is offline
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no spark?

if you have no spark, check both sides of engine, I believe there is a coil pack for each side, if you've been cranking with no spark you probably flooded it out. pull the plugs and check them if they are gas fouled you better change the oil when you get it running because the oil is likely full of gas too.
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Old 03-05-2011, 07:42 PM
allen04 allen04 is offline
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There should not be any engine module back in the rear. I think that you found the fuel recirculating canister. Which puts vapors back into the tank. If the fuel cutoff switch is tripped you would get no pressure to the fuel rail. Check the hard shell connectors if you disconnected them to see if they are seated and no bent pins in them. There are countless reasons why you have fuel pressure and no fire to the plugs.





you unplugged any hard shell connectors go back and make sure that they are seated and not pins bent over. There are countless reasons why you have fuel pressure and no fire to the plugs
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Old 03-06-2011, 12:54 PM
Oldguy4 Oldguy4 is offline
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Could be a fuel pressure sensor too. If the ECM doesn't think there is enough pressure it won't turn on the ignition.
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Old 03-06-2011, 02:17 PM
allen04 allen04 is offline
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ERIE-S-CAPE Does the engine turn over with the key? If it does have you checked to see if the plugs are firing. You can use a test light at one of the plugs or you can unplug the wire at the coil or plug and have someone turn the engine over to see if it is firing. I retired as an EEC repairman at Ford's Louisville Assembly Plant and have seen this problem more times than I would like to but without being thereit is hard to determine the cause. But I will try to help you if I can from where I am at.
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Old 03-06-2011, 03:38 PM
Erie-S-Cape Erie-S-Cape is offline
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Well, I just got in from what has become my second job, trying to figure out what's wrong with my truck, still perplexed. It does turn over fine & fast, I recharged the battery. I pulled plug wire and put in plug, had my wife turn over & there isn't any spark. I'm done for the day. I'll get started again tomorrow after work. If you have any ideas on what I might check allen04, I am all ears & greatful of your help.
Thank you
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Old 03-08-2011, 09:50 PM
tmm657 tmm657 is offline
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wow Erie just noticed you're still battling with your truck. If I were you and assuming you've checked for spark off both coil packs if there are 2 on your truck, I think I would go to the library and get the shop manual. It should have a step by step troubleshooting flow chart for no start. Good luck
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Old 03-08-2011, 09:50 PM
 
 
 
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