Question about 1997 Honda Accord

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COLD IGNITION IDLE PROBLEM

I INSTALLING IN A ACCURA INTEGRA INJECTORS 310CC, AND HIGHT PRESSURE GAS PUMP.
IHAVE PROBLEM WITH THE IDLE WHEN THE ENGINE IS COLD IN THE MORNING.
WHAT IS THE POSSIBLE PROBLEM?

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You may have to recalibrate the PCM, the system is set up for a certain injector flow rate, by changing that you have upset the balance of programming stored in the PCM.

Posted on Sep 03, 2008

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1993 Chevy C1500 4.3L V6 TBI starts but dies at idle after warming up.


Low pressure from fuel pump, when the pump is cold the pressure increases, as it warms up the pressure drops (this happens in a pump that is going out) the normal pressure should be at 40 with the key on and engine not running, when started the pressure should stay around 36, any less it won't idle and may run as long as you hold the pedal down. The injectors are opened electronicaly, so as long as there is fuel flow the engine gets fuel to run.So check the fuel pump, soundslike you need a new one

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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.
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    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.

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