Question about 1996 Buick LeSabre

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Fuel problem Relay and fuse in relay center are good. No pwer to pump. I jumped the pump from 12 volt source and it runs. What else can it be?

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  • 139 Answers

I don't know these cars specifically, but is there a little tab in the trunk that says pull to reset? It is to shut down the fuel pump on a rear end collision.

Posted on Jan 07, 2015

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Posted on Jan 02, 2017

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psds4
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SOURCE: 2001 Buick LeSaber

you have a voltage drop problem probably a coroded wire if you can open wire harness and do voltage checks down the wire until you find the bad spot and repair or you can run a bypass wire

Posted on Sep 22, 2008

melvi_99
  • 387 Answers

SOURCE: radiator fan runs when conneced to 12 volts.but

change the sensor if wires ok, if same problem, change ecm

Posted on Sep 13, 2010

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1 Answer

Where is the fuel pump relay and fuse located on a '91 Buick Park Avenue? And is there a reset for the fuel system?


fuel pump relay: on relay center,behind glove box, 2nd column of relays, 2nd one from the top.
fuse: the wiring diagram says that it is fuse #6 on/by?? the relay center.
there should be a fuel pump test connector taped to the harness by/behind the battery. probably single red wire with a black or white connector. apply 12 volts to connector to test fuel pump.

Apr 03, 2014 | Cars & Trucks

1 Answer

My 1993 E-350 club wagon wont start Code: 542 =


Replace the TCM to fix the converter clutch problem.. The line 12 volt is direct power from the battery and 7 volts out the I am suspicious off as I think that the coil for the relay is partially shorting out to give the 7 volts. As for the other wire 12 volts in would be ok but if there is nothing out unless it is a relay that has not closed because the relay coil has not activated correctly.. Check the readings against a new relay.

Nov 01, 2013 | Cars & Trucks

1 Answer

30amp auto shutdown fuse blows is it alternater


The ASD relay supplies battery voltage (12+ volts) to the fuel injectors and ignition coil(s). With certain emissions packages it also supplies 12-volts to the oxygen sensor heating elements. The Fuel Pump Relay is a separate relay controlled by the ASD relay input to the PCM. Fuse #12 (10amp) provides 12 volts to the coil side of both the relays and the ignition switch. Fuse #6 (30 amps) supplies 12 volts to the output side of the relay. Fuse #16 (15 amp) from the relay output to the Oxygen Sensors and Fuse #26 (15 amp) relay output to the PCM. Fuse #24 (20 amp) is Fuel pump relay output to fuel pump. Fuse #19 (10 amp) supplies 12 volts direct to the PCM.
look for burned or melted wires in the offending circuit.
sounds like you wiggled a wire while installing new relay.

Mar 06, 2013 | Cars & Trucks

1 Answer

No voltage to electric fuel pump relay?


voltage comes from fuse box, should have a fuel pump fuse, check for blown fuse, if not try jumping a fused wire from 12 volts to relay and see if fuel pump runs, hope this helps ?

Sep 03, 2012 | 2002 Kia Sportage

3 Answers

Fuel not getting to intake


check to verify there's fuel pressure at fuel pump, always check for blown fuses first. if the fuel pressure is not present at the fuel rail then the pump is bad, providing that all fuses are good.

Apr 26, 2010 | 1992 Chevrolet Camaro

3 Answers

No power to fuel pump car was running fine just quit repalced fuel pump no power to pump, car will start when spraying starting fluid in to intake, is there a fuse ? also replaced ECM, fuel filter,...


Check for 12 volts power at the fuel pump harness. If no power is going to the pump, check the fuel pump relay. Also, check the fuel pump inertia switch. Ford usually has it on either inside left or right rear trunk fenders.

Apr 09, 2010 | 1987 Ford Taurus

2 Answers

My 96 LT1 will not start and I do not have 12 volts to my fuel pump. All fuses are good. I parked the vehicle 3 months ago and it was running. Any ideas. Ronnie


check harness and connections to fuel pump if u dont have 12 v pump wont run connections generally have a tendency get some corrosion on them or didnt state if turning over but check battery may not be putting out enough power to start vehicle

Mar 07, 2010 | 1996 Chevrolet Corvette

2 Answers

1994 buick park avenue . driving home and shut off


how did you jump the fuel pump relay, by bypassing the relay or by applying power to contact that closes the relay? If you bypassed the relay completely you need to b ench test the relay you can do this easily by using any 12v dc power source. If you tested the fuel pump relay by applying power to the relay and the pump run and developed pressure. I suspect a wiring or ground issue. Good luck

Oct 07, 2009 | 1997 Buick Park Avenue

2 Answers

I have no power to the fuel pump unless I jump at the diagnosis under hood. I have 12 volts to the circuit opening relay and with the key turned forward I also have 12 volts to and the leg on the co relay....


fuel pump only runs for 3 seconds or when the engine is running. Cycle key with meter hooked up or ear on gastank.. Listen and watch. for a quick 3 seconds.. The spark your experiencing is most likely your touching a ground connection. If you have 3 seconds of power then you prabably need a fuel pump.

Aug 15, 2009 | Toyota Pickup Cars & Trucks

1 Answer

On my 1994 plymouth voyager the 3 wire harness to fuel pump (blue wire) doesn't have 12 volts; should it? fuel pump quit then worked once when hot-wired with 12 volts. fuse and relay is good.


The wire should not be hot until the relay is triggered. The relay does not get triggered until the ignition key is turned on. It will run for 3-5 seconds or until the system pressure it at max.

Apr 26, 2009 | 1999 Plymouth Grand Voyager

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