Question about 1991 Pontiac Trans Sport

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Fuel pump went out, replaced it with new one

We also replace the in line fuel filter and a new battery. Now the van still will not start. Can anyone help me find the relay fuse that is suppose to be under the hood.

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  • Contributor
  • 25 Answers

TRY CHECKING IN YOUR OWNERS MANUAL IF YOU HAVE ONE

Posted on Jul 23, 2009

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Posted on Jan 02, 2017

emissionwiz
  • 75822 Answers

SOURCE: Location under hood for fuel pump relay on 2002 Mazda Millenia S

JUST RELEASE THE PRESSURE AT THE FUEL PRESSURE TEST PORT ON THE FUEL SUPPLY RAIL THAT SUPPLIES THE INJECTORS, IT IS A METAL VALVE LIKE A TIRE VALVE, THAT IS THE FACTORY RECOMMENDED METHOD..

Posted on Mar 11, 2009

  • 2309 Answers

SOURCE: Replaced the Fuel Delevery System/Pump

install a fuel pump guage and check pressure at key on and start, it should hardly vary, it the pressure is constant check the injector signal with a noid light, while you are at it check spark(no spark no injector signal) you won't find a relay fuse

Posted on May 07, 2011

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2001 ford windstar, van has been setting for a year, got my license back and went to start the van, no fuel pump noise, replaced fuel pump, started just fine drove it around for a day parked it now wo


Can you hear the fuel pump run, if not it may have failed again. I have seen new fuel pumps last a day or two and then fail. If your pump is working then replace the fuel filter. Anytime you open the fuel system, you should replace the filter.

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You will need to remove the gas tank and replace the fuel level sensor inside the fuel tank.
The level sensor is part of the electric fuel pump "module" Here is how to change that part.
  • 1. Start the van's engine. Open the fuel cap and remove the fuel pump relay from the engine's fuse box. Look for the engine to stall, signaling that the fuel pressure is gone.
  • 2Disconnect the van's negative battery cable.
  • 3. Unbolt the fuel tank's straps and lower the tank just enough to access the fuel pump flange. You can have a second person lower the tank, but it might be easier to use a floor jack with a wood block.
  • 4Remove the small locking pin on the pump's electrical connector with needle-nose pliers, and disconnect the electrical connector. Press the retainer tabs on the fuel lines and disconnect them from the pump.
  • 5Unscrew the pump's locking ring with a strap wrench or a similar hand-made tool that can grip the large ring and turn it.
  • 6Pull the water pump out of the tank, then remove and discard the O-ring from the fuel tank.
  • 7Pry back the locking tabs connecting the inlet filter to the pump reservoir using a thin screwdriver and remove the filter. This is only needed if this filter is in good condition and you must transfer it to the new pump.
Installation
  • 8Lubricate the O-ring for the filter with engine oil and connect it to the outlet of the filter. Push the filter onto the pump reservoir's inlet and make sure the locking tabs engage.
  • 9Install a new O-ring onto the seating hole on the fuel tank.
  • 10Insert the pump module into the tank, tilting it at an angle and making sure you don't damage the filter or the pump float. Make sure the module is properly seated.
  • 11Screw the retaining ring into position on the pump module.
  • 12Reconnect the fuel lines to the pump using their quick-connect fittings and the electrical connector with its locking pin.
  • 13Connect the tank back to the van using its straps and strap bolts.
  • 14Reconnect the fuel pump relay and negative battery cable

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1 Answer

Leak on fuel line e 150 1991


Change the Fuel Filter the process is
  • 1

    Park the van on a flat, level surface. Ensure the parking brake is set.

  • 2

    Open the hood to locate the fuse panel. The fuse panel is located by the battery. Find the relay for the fuel pump and pull it out by hand.


  • 3

    Start the van and allow it to idle until it stalls out. This will depressurize the fuel system.

  • 4

    Locate the fuel filter under the van. The filter is located by the driver door mounted along the frame rail.

  • 5

    Disconnect the inlet fuel line with the quick-disconnect tool. This tool can be purchased at any automotive-parts stores. Place the tool over the connection and pull it toward the filter. This will release the fuel line from the filter. Repeat to release the line on the outlet end. Place a piece of masking tape over the inlet line to help remember which line is which. The inlet line is the line coming from the fuel tank into the filter. The outlet line is the line that runs to the engine from the filter.

  • 6

    Unbolt the filter from the bracket assembly. Slide the filter from the bracket.

  • 7

    Slide the new filter to the mounting bracket. Tighten the bracket with a socket wrench. Ensure the arrow is pointing toward the front of the van. The arrow designates the direction of the fuel flow.

  • 8

    Push the inlet line onto the filter. The line will lock in place. Ensure the tape is removed before installing. Connect the outlet line to the filter. It will lock in place also.

  • 9

    Insert the fuel pump relay back into the fuse panel. This will pressurize the fuel system.

  • 10

    Turn the ignition to the "start" position and allow the fuel pump to prime itself and push fuel through the lines. Attempt to start the van; it may not start right away. Once the van has started allow it to run for five minutes and observe for leaks.


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