Question about 1994 Buick Park Avenue

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Replacing a 94 Buick fuel pump with an outboard electric pump

Is it possible to replace a shot 94 Buick pump with an outboard electric pump. I realize the feed line will need to be cut, and the pump wiring changed, but will the old pump left in the tank interfere with fuel flow?

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No it wont interfere at all

Posted on Feb 16, 2009

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1 Answer

Why does my 94 buick stops running for no reason, acts like it is running out of gas


Could be anything electrical. A weak relay, the coil pack or ignition module, and so on.
You'll need to figure out what is loosing electrical power when it fails to start to know what to test. You might start with the fuel pump relay.

Aug 04, 2014 | 1995 Buick LeSabre

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Do I have to drop the fuel tank to replace the fuel pump on a 94 Buick le saber


Yes ,,instructions are below, Use eye protection for this procedure
Remove or Disconnect:

  1. Relieve Fuel Pressure
  2. Disconnect negative battery cable
  3. Raise vehicle on hoist
  4. Remove Fuel Tank
  5. Remove Fuel Gage sending and pump assembly by turning cam lock ring counterclockwise. Lift assembly from fuel tank and remove fuel pump from fuel gage sender unit.
  6. Disconnect pump wires, hose clamps, and clamp around pump body
  7. Pull pump assembly out of rubber connectors
  8. Inspect fuel pump attaching hose for any signs of deterioration. Replace as necessary.
Install or Connect:

  1. Push fuel pump assembly into attaching hose
  2. Connect pump wires, hose clamps at attaching hose and around pump body
  3. Place Fuel tank sending unit and pump assembly into tank using new O-ring
  4. Place cam lock over assembly and lock by turning clockwise
  5. Install Fuel Tank
  6. Start engine and check fuel pipe connector for visual leaks

Oct 20, 2010 | 1994 Buick LeSabre

1 Answer

Fuel gauge always shows full


this is typically a problem with the fuel level sensor that is integral to the fuel pump, in the tank. the only way to repair this issue is to remove the fuel tank and replace the pump. this is a common issue on GM's. the level sensor is a potentiometer, and with wear and tear the "wiper" electrical contact just wears out. you can also try having the vehicle scanned for codes, to eliminate the possibility of another electrical / computer problem (unlikely). good luck!

Aug 30, 2010 | 2001 Buick Regal

1 Answer

How do I replace the fuel pump


You must remove the fuel tank in order to replace the fuel pump. Drain the tank of as much fuel as possible with a hand pump. Disconnect the positive + battery cable. Disconnect the fuel lines and the electrical connections. Remove the fuel tank, and then remove the old pump. Clean off any old gasket and then reinstall the new pump. Reinstall the tank and then replace the fuel filter. A partially clogged fuel filter will cause a pump to fail prematurely.

Nov 10, 2009 | 1989 Buick Park Avenue

1 Answer

I have a 1999 Buick Regal ls car run out of gas


A couple of possibilities. 1st, check to see that the fuel pump is working. When you turn the key to on position (not all the way to crank the engine over), can you hear the pump? You should hear a humming sound from the gas tank . The fuel in the tank actually keeps the fuel pump from overheating. It is possible the pump is shot. It would be a good idea to change the fuel filter, as it may be plugged up from sediment from the bottom of the tank.

Jun 28, 2009 | 1999 Buick Regal

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Change fuel pump on 1994 buick park avenue


Drain all gas as much as possible for weight reasons, Unhook fuel lines, unhook electrical connections, and ground connections, filler tube, and straps, then tank will drop out. Remove retaining ring on sending unit remove unit from tank taking note how it comes out because its got to go back in the same way it came out, chg. pump on sending unit there is one electrical plug, reinstall unit in tank with retaining ring, assemble in reverse order.

Feb 14, 2009 | 1994 Buick Park Avenue

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