05-01-2016, 09:34 PM
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#1
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Junior Member
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Location: North Vancouver, BC
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Fuel Pump carries on running.
Quick questions, is it normal for the fuel pump to carry on running for a few minutes after you turn the engine off? Thanks
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05-01-2016, 11:22 PM
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#2
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Senior Member
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Join Date: Jul 2009
Location: SoCal
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No, the pump only has power when cranking the engine or the engine is running. Are you sure it's the pump running?
__________________
1996 SR5 4Runner V6 4WD Auto
Toytec Ultimate w/ OME 890's plus 1.5" daystar spacer
60028 OME shocks, Goodyear Duratracs 265/75 -16
B&M 70268 with Magnefine filter, 199mm TBU
236K miles
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05-02-2016, 10:46 AM
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#3
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Junior Member
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Junior Member
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Yeah its the pump nothing else in the area of the tank that makes a motor whine? Have to say today it didn't do it on a quick 5 minute drive this morning, will check again tonight after a longer drive.
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05-02-2016, 01:53 PM
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#4
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Elite Member
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Location: Pocono Mountains
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Elite Member
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Quote:
Originally Posted by BC4R
Yeah its the pump nothing else in the area of the tank that makes a motor whine? Have to say today it didn't do it on a quick 5 minute drive this morning, will check again tonight after a longer drive.
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Probably a faulty COR (Circuit Opening Relay). It's certainly not the fault of the pump. Give me a year and I can maybe advise a swap of relays.
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'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
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05-02-2016, 09:23 PM
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#5
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If your 4runner is a later model maybe it's the charcoal canister making some noise. It's above the spare tire.
__________________
1996 SR5 4Runner V6 4WD Auto
Toytec Ultimate w/ OME 890's plus 1.5" daystar spacer
60028 OME shocks, Goodyear Duratracs 265/75 -16
B&M 70268 with Magnefine filter, 199mm TBU
236K miles
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05-02-2016, 09:33 PM
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#6
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Junior Member
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Join Date: May 2016
Location: Charleston, WV
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Location: Charleston, WV
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Fuel pump running
I first noticed my wive's 2011 Sienna cycling the fuel with the pump running. Since it did it when the vehicle was cold & just sitting, I thought the relay was bad. I changed the relay, but 2 days later, same thing. I just forgot about it & after a week of owning my 2016 4Runner, it did the same thing. I guess something in the computer programming cycles the fuel.
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05-04-2016, 11:58 AM
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#7
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Junior Member
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Quote:
Originally Posted by TheDurk
Probably a faulty COR (Circuit Opening Relay). It's certainly not the fault of the pump. Give me a year and I can maybe advise a swap of relays.
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Its 1999 - thanks.
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05-04-2016, 11:59 AM
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#8
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Junior Member
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Quote:
Originally Posted by kball
If your 4runner is a later model maybe it's the charcoal canister making some noise. It's above the spare tire.
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Its a 1999 so its not the canister, but thanks
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05-04-2016, 01:27 PM
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#9
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Elite Member
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Join Date: Nov 2006
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Quote:
Originally Posted by BC4R
Its 1999 - thanks.
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In 1999, the Power relay in the top right corner on the reverse of the fuse panel by driver's knee is the exact same part as the COR-- far right side low down under dash panel p/n 90987-02012). If you pull the COR and the noise keeps going, then it's probably not the pump, but I can't think what else it would be and I've owned a '99 for 17 years.
__________________
'99 4Runner SR5 5spd 3.4L V6 4WD(U.S), original '99 Talls in front, OME 906s in back, Hella fogs, Trekmaster shocks in front, Billy in back, no running boards, FIAMM horns, Alpine sound, Michelin LTX M/S2's, owned since new.
'97 HiLux SW4 5spd 4WD(Japan model bought in Brazil assembled in Argentina, very close to a 3.0 4Runner/Surf)
'71 FordWillys Jeep CJ5 (with straight six Ford Maverick 3.0 liter engine--lives in the mountains north of Sao Paulo Brazil)
My Backyard Frame Swap
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05-20-2016, 03:40 PM
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#10
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Junior Member
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Join Date: Jun 2007
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Junior Member
Join Date: Jun 2007
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Quote:
Originally Posted by TheDurk
In 1999, the Power relay in the top right corner on the reverse of the fuse panel by driver's knee is the exact same part as the COR-- far right side low down under dash panel p/n 90987-02012). If you pull the COR and the noise keeps going, then it's probably not the pump, but I can't think what else it would be and I've owned a '99 for 17 years.
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Thanks for the info i'll keep an eye on that relay and see how it goes.
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