Question about 1990 Acura Integra Hatchback

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How to Replace a Fuel Pump in a 1990 Acura Integra

I need to replace the fuel pump. Do I need to drop the tank? I already removed the back seat but it only gave me access to the floater.

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The fuel pump should be in the canaster the float is in

Posted on Nov 17, 2009

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How can i get to the fuel pump on a 92 acura vigor?


  • REMOVAL & INSTALLATION
  • Print
    The fuel pump on all models except the 1986-90 Integra, is located in the fuel tank. On the 1986-90 Integra the fuel pump is located under the rear of the vehicle, near the drivers side of the fuel tank.


    PRESSURE TESTING

    See Figure 1
    On all models, the fuel pump should run for about 2 seconds when the ignition is first turned ON . By removing the filler cap and listening at the filler, it should be possible to hear the pump run each time the ignition is switched ON . It will then stop again until the starter is activated.


    0900c1528004984f.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 1: Checking the fuel system pressure

    1. Disconnect the negative battery cable and remove the fuel filler cap.
    2. Relieve the fuel system pressure.
    3. Remove the service bolt and attach a fuel pressure gauge to the top of the fuel filter.
    4. Start the engine and measure the fuel pressure with the engine idling and vacuum hose to the pressure regulator disconnected;



    1986-1989 Integra-35-41 psi. (240-279 kPa) 1990-93 Integra-37-44 psi. (255-304 kPa) 1989-90 Legend-36-41 psi. (250-279 kPa) 1991-93 Legend-38-46 psi. (265-314 kPa) Vigor-43-50 psi. (300-350 kPa)
    1. Check to see that the pressure decreases when the vacuum hose is connected.
    2. If the pressure is higher than specifications, check for a pinched or clogged fuel return hose or faulty pressure regulator.
    3. If the pressure is lower than specifications, check for a clogged filter, defective pressure regulator or leakage in the fuel line.
    4. After inspection, remove the pressure gauge and install the service bolt with a new washer.


    REMOVAL & INSTALLATION

    1986-1989 Integra

    1. Disconnect the negative battery cable.
    2. Relieve the fuel system pressure.
    3. Raise and safely support the vehicle and remove the left rear wheel.
    4. Remove the fuel pump cover bolts and the cover.
    5. Remove the fuel pump mount bolts and the fuel pump with it's mount.
    6. Disconnect the fuel hoses and the electrical connectors.
    7. Installation is the reverse of removal. Use new sealing washers when connecting the fuel hoses. After the pump is installed, turn the ignition switch ON and OFF a number of times to pressurize the system and check for leaks.

    1990-93 Integra and Vigor
    See Figures 2 and 3
    1. On Integra, remove the rear seat and access panel and disconnect the wiring.
    2. Remove the fuel tank.
    3. Remove the pump flange mounting nuts and lift the pump out.
    4. Installation is the reverse of removal. Use new sealing washers when connecting the fuel hoses. After the pump is installed, turn the ignition switch ON and OFF a number of times to pressurize the system and check for leaks.



    0900c15280049850.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 2: Removing the fuel pump access cover-Legend and Vigor


    0900c15280049851.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 3: Removing the fuel pump assembly-Legend and Vigor
    Legend

    1. Disconnect the negative battery cable.
    2. Relieve the fuel system pressure.
    3. Remove the maintenance access cover in the luggage area.
    4. Disconnect the fuel lines and the electrical connectors.
    5. Remove the fuel pump from the fuel tank.
    6. Installation is the reverse of removal. Use new sealing washers when connecting the fuel hoses. After the pump is installed, turn the ignition switch ON and OFF a number of times to pressurize the system and check for leaks.

    Nov 09, 2012 | 1992 Acura Vigor

    1 Answer

    Integra was sputtering like it was running out of gas. Just now wont idle. If not held above RPM's it dies. When it died, it will turn over but doesnt seem to get gas going. Thinking its the fuel pump....


    As the fuel train which supplies the injectors w/ the needed gas...Im quite sure that if you purge the fuel train of air your problem will cease.hope this helps ."Reno"

    Dec 14, 2010 | 1990 Acura Integra Hatchback

    1 Answer

    I have a 01 Acura 3.5RL and the fuel pump is not running.I sprayed starter fluid in the throttle but it still did not start. I seen where one person said you have to drop the gas tank to change pump and...


    No your not. If you removed the back seat and there was no access plate and there was also no access plate in the trunk then you will have to drop the gas tank to replace the fuel pump. Good luck!

    Aug 04, 2010 | 2001 Acura 3.5RL

    1 Answer

    Can i get to fuel pump on 1999 Acura TL from back


    Below are the proper steps to removing your vehicle's fuel tank..



    Disconnect the negative battery cable.
    Relieve the fuel pressure
    Remove the rear seat cushion.
    Remove the plastic grommet from the floor pan.
    Detach the fuel pump electrical harness.
    Disconnect the fuel lines from the fuel pump by compressing the tabs on both sides of each nylon push connect fitting and easing the fuel line off of the fuel pump.
    Raise and safely support the vehicle securely on jackstands.
    Remove the muffler mount.
    Remove the heat shields.
    Remove the fuel tank cover.
    Remove the drain plug and drain the gasoline into a approved container.
    Disconnect the fuel lines and remove the fuel filter and base.
    Loosen the fuel tank filler pipe clamp at the fuel tank.
    Support the fuel tank using a hydraulic jack and a block of wood or other suitable device.
    Remove the two fuel tank support strap bolts and position the straps out of the way.
    Partially lower the fuel tank to access the fuel tank filler pipe vent tube and disconnect the vent tube and filler pipe from the tank.
    Disconnect the fuel vapor tube from the tank.
    Lower the tank from the vehicle.
    Installation is the reverse of the removal procedure.



    0853314.jpg

    Apr 23, 2010 | 1999 Acura TL

    1 Answer

    I have an 1990 Acura Integra, that I thought the fuel pump was going out on, because when I tapped on the fuel tank it would fire right up. Now it wont fire at all and only like (1) plug is getting fire....


    do it yourself to save money, get your pump out and buy a new one and replace, its quite simple, but make sure that u clean that tank really good (is very good oportunity to do this, since ur car is 1990), replace the filter that u are going to find on the pump and the other fuel filter, just follow the fuel lines to the engine and ull find it., the access to your fuel pump should be below your backseat, have fun!
    i hope this helps

    Nov 16, 2009 | 1990 Acura Integra Hatchback

    2 Answers

    Acura integra 1990 turns over fine but doesnt start


    for you to check if it is the fuel pump, see if there is fuel running out of the hose if you remove the fuel filter. Another is to directly connect the pump to the battery. If the pump works that way, then it could be a efi relay issue which is found underneath the dash or a wiring issue.

    Jul 10, 2009 | 1990 Acura Integra Hatchback

    1 Answer

    Where is the pump located i was told under the back seat but also in the corner of the tank and i need to drop it to change the pump help me


    Hi,

    Its physically inside of the fuel tank. You must remove the back seats to get to the little plate that has three screws and take that off to get to it.

    Thanks.

    Jul 02, 2009 | 1991 Acura Integra Hatchback

    1 Answer

    Remove back seat to get to gas tank to see if feul pump is working


    If you ran the car out of gas, there is a very good chance that the fuel pump is dead. Gas is coolant for for the pump like anifreeze is for the engine. The pump has now been overheated and will need to be replaced. You must drop the tank to do this and I hope you did not fill the tank. It is a very good idea to never run your fuel tank below 1/4 because you stress the pump if you do.

    May 20, 2009 | 1994 Acura Integra

    1 Answer

    Car wont start 1990 acura integra LS


    try the distributor I had the same problem with mine a couple weeks back

    Mar 22, 2009 | 1990 Acura Integra Hatchback

    1 Answer

    Replace fuel pump 1990 mits mirage


    no but you do need to remove the back seat to unplug the fuel level sending unit wires before dropping the tank.

    Feb 28, 2009 | 1990 Mitsubishi Mirage Hatchback

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