Question about 1990 Toyota Pickup

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The fuel pump is not getting any power when the key is switched on, but the relays uder the hood have power. What could my problem be?

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Sounds like pump went out,unplug at tank and test voltage

Posted on Mar 05, 2009

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1994 dodge ram 1500 the fuel pump doesn't come on each time I turn on switch to crank truck....is it my switch


When you turn the key to start does the engine spin over ? If it does it's not the switch ! Fuel pump relay in the under hood power distribution center , possibly ! Or ASD relay - auto shut down relay !

May 26, 2015 | Dodge Ram 1500 Cars & Trucks

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Location of inertia switch


As far as I know a Chevrolet doesn't have an inertia switch like a Ford.
I am assuming you have lost fuel pressure, first thing to check is the fuel pump relay (usually in a fuse box under the hood) make sure you have power to that point (you should hear it clicking when you turn the key on) if you have power chances are you have a bad fuel pump. If you have lost key power to the relay, check the fuel pump relay fuse in the dash for power ( if the fuse is bad replace the fuse and the relay) if no power to the relay fuse you may have a faulty ignition switch, its a common problem with 00-06 Chevy's across the board.

May 25, 2014 | 2006 Chevrolet Kalos 1.4

1 Answer

How does power get to fuel pump? Are relays involved?


There is a fuel pump relay and a fuse...In the under-hood fuse box, fuse #22 (20 amp) powers the fuel pump relay. The best method of ensuring the fuel pump is getting proper voltage is testing for power at the intertia switch (fuel cut-off in case of an accident). It is on the driver's side of the trunk behind the liner. Ground a test light and have a assistant cycle the key. It should be powered for about 3-5 seconds initially after the key is cycled to the start position.
I hope this helps.

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2 Answers

I have a 2006 ford f350 and the fuel pump isnt working is there a shutoff switch


Yes. The switch is usually located around the passengers kickpanel. There should be an access hole to press the button on the switch. Sometimes the part is just above the carpet and sometimes you have to remove the kickpanel. If you are unable to find this switch on the passengers side,then look on the drivers side kickpanel.

Under the hood is a Powerbox. The shutoff switch (inertia switch) gets its power from the Fuel pump Relay after the Ignition is turned on. If resetting the shutoff switch does not help, your fuel pump Relay may be bad. On some Ford models, the horn Relay is the same Relay used for the fuel pump. This would allow you to swap and test before buying a new Relay.

Jul 13, 2011 | 2006 Ford F 350 Super Duty

3 Answers

Truck will not start, has fire. relay ok. no trouble codes.


when you turn the key in 'on' position, do you hear the fuel pump hum? check under hood in black box,,fuses,,and relays. for bad fuse or fuel pump relay bad. try bumping fuel tank with something hard to see if fuel pump will engauge with key on. maybe bad pump. have you had off road? look for pulled plug from fuel pump underneath near gas tank.have you bent or damaged your igbition key somehow? the key sends a signal to your cars computer to engauge the pump and crankshaft sensor.but if you do have fire,,,it's a fuel problem, so you are on the right track. if nothing i've said helps, check for a bad fuel pressure regulator.hope this helps and thank you for choosing fixya.com!!

Nov 19, 2010 | 2001 Dodge Durango

1 Answer

Fuel pump relay location 1997 celica


The relay and fuse is located under the hood in the relay box. It will be labeled on the lid. If fuse is good, then test the relay. Pull it out and with a test light see if there is power. If there is then remember that one. Have some one turn the key on and find another power wire. There should be 2 powers.If there is only one power then there maybe a problem in the ignition switch. If there is 2 powers then you need to get to the top of the fuel tank and see if power is getting to the pump. The power at the pump will be there for only a few seconds once the key is turned on and then will drop off. Let us know how it goes.

Aug 29, 2009 | 1995 Toyota Corolla

1 Answer

1996 CADILLAC DEVILLE, NO POWER TO FUEL PUMP


Check for a burned fusible link under the hood. If you have power at the fuel pump relay, you could have a bad ignition switch or bad oil pressure switch...accordianman

Dec 15, 2008 | 1996 Cadillac DeVille

1 Answer

Fuel pump relay


uder the dash by driver side, remove left kick panel. fuel pump relay and computer power relay are there.

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