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Joined: Aug 22, 2007
Posts: 5
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(Msg. 1) Posted: Thu May 08, 2008 4:44 pm
Post subject: 1988 F150 fuel problem  Get Alert
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| 1988 F150 5.8 liter engine. It seems when I turn the key that I don't hear the fuel pump working, and my truck doesn't seem to be getting enough fuel to kick over. I am told that I have more than one fuel pump, yet I hear nothing working?
Could this be a relay switch keeping the pumps from working? How many relays are there? I find it hard to believe that both pumps are bad. Is there anything else like another switch that i could check? I don't wanna go to all the trouble of changing pumps if it isn't bad.
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>> Stay informed about: 1988 F150 fuel problem |
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External
Since: May 01, 2005
Posts: 21
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(Msg. 2) Posted: Thu May 08, 2008 7:11 pm
Post subject: Re: 1988 F150 fuel problem Get Alert [Login to view extended thread Info.]
Archived from groups: alt>trucks>ford (more info?)
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On Thu, 08 May 2008 17:22:03 -0500, JMack <none RemoveThis @000.com> wrote:
>1988 F150 5.8 liter engine. It seems when I turn the key that I don’t
>hear the fuel pump working, and my truck doesn’t seem to be getting
>enough fuel to kick over. I am told that I have more than one fuel
>pump, yet I hear nothing working?
>
>Could this be a relay switch keeping the pumps from working? How many
>relays are there? I find it hard to believe that both pumps are bad.
>Is there anything else like another switch that i could check? I
>don’t wanna go to all the trouble of changing pumps if it isn’t bad.
You've got the main fuel pump and one in each tank. I'd be
willing to bet that it's the relay under the hood that's causing
your problem. From memory, it's on the driver's side about half
way back on the fender. There are two relays there. Again, if
I'm not mistaken, it's the EEK relay that's likely your problem.
I think I paid about $15 or $20 for one at the dealer about 10
years ago.
From www.rockauto.com - AIRTEX Part # 1R1294 $9.01 |
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External
Since: Aug 11, 2004
Posts: 659
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(Msg. 3) Posted: Fri May 09, 2008 12:36 am
Post subject: Re: 1988 F150 fuel problem Get Alert [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"scrape" <scrapeNOTHANKS RemoveThis @nc.rr.com> wrote in message
news:q42724dg4bd7jve7g0j1p58j5ms30cdu4v@4ax.com...
> On Thu, 08 May 2008 17:22:03 -0500, JMack <none RemoveThis @000.com> wrote:
>
>>1988 F150 5.8 liter engine. It seems when I turn the key that I don't
>>hear the fuel pump working, and my truck doesn't seem to be getting
>>enough fuel to kick over. I am told that I have more than one fuel
>>pump, yet I hear nothing working?
>>
>>Could this be a relay switch keeping the pumps from working? How many
>>relays are there? I find it hard to believe that both pumps are bad.
>>Is there anything else like another switch that i could check? I
>>don't wanna go to all the trouble of changing pumps if it isn't bad.
>
> You've got the main fuel pump and one in each tank. I'd be
> willing to bet that it's the relay under the hood that's causing
> your problem. From memory, it's on the driver's side about half
> way back on the fender. There are two relays there. Again, if
> I'm not mistaken, it's the EEK relay that's likely your problem.
> I think I paid about $15 or $20 for one at the dealer about 10
> years ago.
>
> From www.rockauto.com - AIRTEX Part # 1R1294 $9.01
>
Dont forget to check the inertia switch, it could be tripped and just
needing reseting.
Not sure where on your rig it is. Look above the right side kick panel in
the cab for
a white button sticking up.
Whitelightning >> Stay informed about: 1988 F150 fuel problem |
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Since: May 01, 2005
Posts: 21
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(Msg. 4) Posted: Fri May 09, 2008 12:36 am
Post subject: Re: 1988 F150 fuel problem Get Alert [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Fri, 09 May 2008 00:36:55 GMT, "Whitelightning"
<white.lightning2.DeleteThis@verizon.net> wrote:
>
>"scrape" <scrapeNOTHANKS.DeleteThis@nc.rr.com> wrote in message
>news:q42724dg4bd7jve7g0j1p58j5ms30cdu4v@4ax.com...
>> On Thu, 08 May 2008 17:22:03 -0500, JMack <none.DeleteThis@000.com> wrote:
>>
>>>1988 F150 5.8 liter engine. It seems when I turn the key that I don't
>>>hear the fuel pump working, and my truck doesn't seem to be getting
>>>enough fuel to kick over. I am told that I have more than one fuel
>>>pump, yet I hear nothing working?
>>>
>>>Could this be a relay switch keeping the pumps from working? How many
>>>relays are there? I find it hard to believe that both pumps are bad.
>>>Is there anything else like another switch that i could check? I
>>>don't wanna go to all the trouble of changing pumps if it isn't bad.
>>
>> You've got the main fuel pump and one in each tank. I'd be
>> willing to bet that it's the relay under the hood that's causing
>> your problem. From memory, it's on the driver's side about half
>> way back on the fender. There are two relays there. Again, if
>> I'm not mistaken, it's the EEK relay that's likely your problem.
>> I think I paid about $15 or $20 for one at the dealer about 10
>> years ago.
>>
>> From www.rockauto.com - AIRTEX Part # 1R1294 $9.01
>>
>
>Dont forget to check the inertia switch, it could be tripped and just
>needing reseting.
>Not sure where on your rig it is. Look above the right side kick panel in
>the cab for
>a white button sticking up.
It's behind the parking brake on my '88. >> Stay informed about: 1988 F150 fuel problem |
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External
Since: Dec 11, 2005
Posts: 33
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(Msg. 5) Posted: Sat May 10, 2008 9:28 am
Post subject: Re: 1988 F150 fuel problem Get Alert [Login to view extended thread Info.]
Archived from groups: alt>ford>trucks, others (more info?)
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"JMack" <none DeleteThis @000.com> wrote in message
news:1202704_1045cae02a915a1a55382b5d482819ab@autoboardz.com...
> 1988 F150 5.8 liter engine. It seems when I turn the key that I don't
> hear the fuel pump working, and my truck doesn't seem to be getting
> enough fuel to kick over. I am told that I have more than one fuel
> pump, yet I hear nothing working?
>
> Could this be a relay switch keeping the pumps from working? How many
> relays are there? I find it hard to believe that both pumps are bad.
> Is there anything else like another switch that i could check? I
> don't wanna go to all the trouble of changing pumps if it isn't bad.
>
> --
> Posted at author's request, using moderated http://www.AutoBoardz.com
> interface
> Thread archive:
> http://www.AutoBoardz.com/1988-F150-fuel-problem-ftopict247258.html
There is 1 relay that provides power to the pumps, and 1 relay that provides
power to the engine computer.
also the fuel pump has a safety switch that shuts off the pump in an
accident, I have seen the safety switch trip for no apparent reason. find
the safety switch and push the reset button first. >> Stay informed about: 1988 F150 fuel problem |
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Joined: Aug 22, 2007
Posts: 5
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(Msg. 6) Posted: Wed May 21, 2008 10:16 pm
Post subject: Re: 1988 F150 fuel problem Get Alert [Login to view extended thread Info.]
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The problem was either the inertia switch or the relay for sure because I can hear the fuel pump working now! The only problem now is that it still doesn't seem to be getting the fuel to kick over? It has a new fuel filter. Is there anything else that I could try? EFI 5.8 liter >> Stay informed about: 1988 F150 fuel problem |
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External
Since: Dec 11, 2005
Posts: 33
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(Msg. 7) Posted: Thu May 22, 2008 6:22 pm
Post subject: Re: 1988 F150 fuel problem Get Alert [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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If you have a pressure gauge, check the fuel pressure in the rail.
also there is a second relay beside the fuel pump relay that powers the
computer.
"JMack" <none.TakeThisOut@000.com> wrote in message
news:1203696_0c73abfd0530aad3bf7e77641c02366d@0000.com...
> The problem was either the inertia switch or the relay for sure
> because I can hear the fuel pump working now! The only problem now
> is that it still doesn't seem to be getting the fuel to kick over? It
> has a new fuel filter. Is there anything else that I could try? EFI
> 5.8 liter
>
> "JMack" wrote:
> > 1988 F150 5.8 liter engine. It seems when I turn the key that
> > I don't hear the fuel pump working, and my truck doesn't seem
> > to be getting enough fuel to kick over. I am told that I have
> > more than one fuel pump, yet I hear nothing working?
> >
> > Could this be a relay switch keeping the pumps from working?
> > How many relays are there? I find it hard to believe that both
> > pumps are bad. Is there anything else like another switch
> > that i could check? I don't wanna go to all the trouble of
> > changing pumps if it isn't bad. >> Stay informed about: 1988 F150 fuel problem |
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