Question about 1997 Pontiac Grand Prix

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Got fuel in fuel tank and replaced fuel pump now dont have fuel going to front

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Is the fuel pump fitted in the tank or is it an outside one?
If it's the one which is fitted in the tank thn probabely the rotation of the pump is wrong thus not pumping out the fuel.
If it's the kind tht is fitted onthe outside of the tank thn probabley the pipings are not done correctly or it may be sucking air.

Hope this helps!

Posted on May 13, 2009

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Posted on Jan 02, 2017

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1991 ford f150 fuel problem


Is it possible the fuel hoses are not hooked up right ? If you only changed the rear pump and the lines are correct, its possible the new pump damaged the check valve in the front pump. The valve could have been about to fail before replacing the rear pump.
You may be able to block the line going into the front tank and run the truck from just the rear tank.

Feb 16, 2014 | 1991 Ford F150

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Fuel runs from back tank to front sometimes


If your driving a ford truck the fuel pump assy that is in the tank that is recieving the gas is leaking and allowing fuel to enter. Ford uses a valve in the fuel pump assy that is activated when fuel pressure is applied to it and it opens a port and allows the excess fuel to return back to the tank. They do not use a switching valve between tanks just whichever pump is activated allows fuel to return to that tank. When this valve fails fuel is returned to this tank all the time, pumping it from one tank to the other.
If you dont have a Ford the switching valve assy. is probably faulty.

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I have a 1985 Ford F-250 4x4 460 ci with dual tanks. It is not getting fuel. I can put gas directly into the carb and it starts right up but will not continue running. Previously it would only run on the...


YOUR FRONT TANK IS THE MAIN FUEL SUPPLY CHECK THE FUEL PUMP RELAY BY SWAPPING IT WITH ANOTHER AND SEE IF THAT WORKS, ALSO CHECK SEE IF FILTER IS CLOGGED EEN A SMALL MYNUTE PARTICAL WILL BLOCK THE OPENING IF IT DONT THEN IF YOU CAN GET TO THE WIRE HARNES CHECK VOLTAGE GOING INTO THE PUMP. OTHER THAN THAT YOU HAVE NO CHOICE BUT TO TEAR INTO THE FUEL TANKS TO GET TO THE PUMP

Aug 03, 2011 | Ford F-250 Cars & Trucks

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How to replace fuel module regulator


to replace the fuel pump module.first you need to relieve the fuel system pressure.turn off radio first, then disconnect the negative battery cable.drain fuel from fuel tank.then then safely raise support car on jack stands. make sure sitting on solid level ground then remove the fuel charcoal canister hoses and vent line remove disconnect fuel pump. disconnect fuel pump electrical connector and remove fuel filler hose from fuel tank then remove the fuel tank from the vechicle.the heat shield and the rear exhaust system may have to be remove if you problem dropping the fuel tank.once fuel tank dropped you need snap ring pliers to remove the fuel pump module retaining ring.disconnect the fuel pump sending unit.disconnect the fuel pressure sensor and fuel pump module electrical connector .if you need help to replace the fuel level sending unit.you need a haynes repair manual.it has instruction how to remove and replace the fuel level sending unit.but most of the time the whole new fuel pump module come with new fuel level sending unit.if you are replacing fuel pump.when done put every thing back visa versa. be very careful working around gasoline and fuel tank.dont smoke.becareful dont make no sparks with wrenches when removing gas tank.wear safety glasses and have a helper at all times. dont work under vechicle by your self.

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2004 Chevy Malibu. Cranks but won't start up. Where is the fuel pump located? Where is the fuel tank located?


The pump is in the tank, the tank is in the rear (follow the big hose from where you fill it up) but dont just go put a pump in, check fuel pressure and make sure the pump is indeed getting power before replacing it. I cant tell you how many people replace a pump for no reason. I would have a shop check it for you.

Dec 02, 2010 | 2004 Chevrolet Malibu

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I have a 94 f 150 the rear tank works but no fuel to the engine when you switch to the front would this be the tank selector and is it in front of side tank


Each tank has its own fuel pump. Usually its the pump that goes out. You might also notice that fuel is tranfering its self to the non-working tank which means part of the fuel return valve is going out too. Another very good reason to replace the whole fuel pump assembly and not just the pump. I mean when you go thru the effort of dropping the tank to replace the pump, might as well put all new components in so you only do it once. On my 95 F150 the side tank was the front one and the rear was centered further back

Nov 30, 2010 | 1995 Ford F150 Styleside Regular Cab

1 Answer

How do you change fuel pump


  1. Disconnect the negative battery cable.
  2. Remove the fuel tank filler cap.
  3. Using a siphon hose, drain the fuel tank below 1 / 4 full.
  4. Block the front wheels and raise and support the rear of the vehicle with jackstands.
  5. Remove the fuel inlet and outlet hoses from the sending unit Be ready to catch any spilled fuel.
  6. Remove the sending unit wires.
  7. Using a brass punch and hammer, remove the sending unit retaining lockring by tapping it counterclockwise.
  8. Remove the sending unit, which incorporates the electric fuel pump, along with the O-ring seal from the fuel tank. Discard the O-ring.
  9. Remove and discard the pump inlet filter.
  10. Disconnect the fuel pump terminal wires.
  11. Remove the pump outlet hose and clamp.
  12. Remove the pump top mounting bracket nut and remove the pump.
  13. i have not done a 93 but according to the book you do not have to drop the tank only 96 and newer which is what i have go figure. are you sure its the fuel pump? make sure your getting power to the pump. you dont wanna change it if you dont have to its expensive and a pain

Mar 30, 2010 | 1993 Jeep Grand Cherokee

4 Answers

How to replace fuel pump in 1999 plymouth neon?


remove fuel from the tank
remove gas lines and tank straps

drop the gas tank and remove the pump from the top
reverse to reinstall

Feb 26, 2010 | 1999 Plymouth Neon

2 Answers

1992 f-150 dual gas tanks tank closest to cab of truck pumps gas out the fuel cap


A FORD EQUIPED WITH DUAL TANKS THIS YEAR MODEL HAS CHECK VALVES IN THE FUEL PUMPS .THE FUEL RUNS FROM THE REAR TANK WHEN IT IS POWERED ON TO A TEE AND INTO THE SAME LINE AS THE FRONT PUMP . THE PROBLEM IS AT THE BOTTOM OF THE FRONT FUEL PUMP THERE IS A CHECK VALVE ON THE FOOT AND IT IS NOT WORKING.WHILE THE TRUCK IS RUNNING WITH THE REAR FUEL PUMP ON IT IS PUMPING FUEL INTO THE FRONT TANK . IT WILL RUN OUT OF THE NECK WHEN IT IS FULL.THE FIX IS SIMPLE REPLACE THE FRONT FUEL PUMP. THEY DONT MAKE A CHECK VALVE REPLACEMENT I CHECKED I HAD THE SAME PROBLEM AS YOU.

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1 Answer

Fuel pump


The good tank should carry you until you replace the rear pump, don't wait, the good tank might go next.

Jul 30, 2008 | 1995 Ford F150 Styleside Regular Cab

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