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Author
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Topic: fuel pump wont come on UPDATED HELP NEEDED
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yohuallin
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Member # 4452
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posted
 
 
on my friends 50, the fuel pump wont come on, what should we check before we start removing the fuel pump, any fuses, relays, switches? thanks
[ February 26, 2006, 07:37 PM: Message edited by: yohuallin ]
Posts: 359 | From: sacramento | Registered: Apr 2004
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silverLX
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Member # 3207
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posted
Yes. Check the inertia switch in the trunk/hatch it is on the drivers side behind the tail light. push the botton on the switch then try. if thats not it I would check the relay by the computer, under the seat, then the pump.
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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forced331
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Member # 1270
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posted
[QUOTE]Originally posted by silverLX:
Yes. Check the inertia switch in the trunk/hatch it is on the drivers side behind the tail light. push the botton on the switch then try. if thats not it I would check the relay by the computer, under the seat, then the pump. [/QUOT
![[patriot]](graemlins/patriot.gif)
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1992 Ford Mustang LX (Original Owner)"Titanium Frost" 331stroker S-Trim, 5spd
2014 Ford Mustang GT- daily driver
Posts: 1154 | From: Sonoma County | Registered: May 2002
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yohuallin
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Member # 4452
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posted
ok i tried new relays and didnt worked, so i removed the fuel tank, now when i use a batt to turn on the pump on the higher part of the fuel pump, it shoots fuel out of there, but when i connect the batt to the lower part of the tank it wont do anything, does anyone knows if it is suppose to be like that....?
Posts: 359 | From: sacramento | Registered: Apr 2004
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silverLX
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Member # 3207
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posted
quote:
Originally posted by silverLX:
Check the inertia switch.
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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yohuallin
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Member # 4452
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posted
quote:
Originally posted by silverLX:
quote:
Originally posted by silverLX:
Check the inertia switch.
done that
Posts: 359 | From: sacramento | Registered: Apr 2004
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silverLX
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Member # 3207
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posted
you replaced both relays? I think there might be one in the engine compartment too
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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NO MANRZ
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Member # 566
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posted
Dead stock ford fuel pumps are common. Don't waste your time and just drop the tank. If you want to be sure the pump is dead with out completely removing it, drop the tank enough to allow you to remove the connector on top of the pump. Put an OHM meter across the two leads. If you can't read the resistance, the fuel pump motor's coils have burnt open.
[ February 27, 2006, 02:07 AM: Message edited by: NO MANRZ ]
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Bring It . . .
Posts: 1938 | Registered: Nov 2001
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putter
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Member # 4253
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posted
If its a 93 the relay is in the engine compartment on the passenger side mounted below the stock air box. Im guessing since it worked wired to direct power its not your problem. Im not sure if it gets all that juice youre giving it under the keys ignition power but... Are you sure you replaced all the relays?
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KEEP THE SHIT REAL!
Is someone posting a bunch of B/S and lies? PM me Ill bust em out for ya!
Sellers Beware WayfastYtee "BAD TRADER"
Posts: 626 | From: sacramento | Registered: Mar 2004
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putter
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Member # 4253
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posted
Let me simplify that the pump may not get a full 12 volts from the key (Im not sure) and since you wired it direct to 12 volts it may still be faulty meaning if the key gives it a normal 6 volts your 12 may kick it on but the 6 wont. Dont cut corners though check all your relays.
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KEEP THE SHIT REAL!
Is someone posting a bunch of B/S and lies? PM me Ill bust em out for ya!
Sellers Beware WayfastYtee "BAD TRADER"
Posts: 626 | From: sacramento | Registered: Mar 2004
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TrickRacer50
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Member # 6345
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posted
I had a dead pump onetime. I drove from Marin to Alameda fine, but when I went to leave the car it would not run. Then I remembered not hearing the pump when I turned the key. Changed the pump and all was well. Taking out the tank is easy. If your relay is good then I would get a new pump. It is a simple system.
Posts: 78 | From: NorCal | Registered: Dec 2005
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