Question about 2001 Chrysler Concorde

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I have a concord 1999 and i put a new fuel pump and the line that it goes from the tank to the fuel rail but i can't still see the fuel from that hose so looks like there is no presure at all at the fuel rail but i have pressure in the first connection by the tank.

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Check fuel pressure regulator on fuel rail...

Posted on Jul 31, 2009

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1 Answer

Location of fuel pump driven module located on a chrysler concorde 1999 3.2 liter lxi


https://www.carid.com/1999-chrysler-concorde-fuel-pumps
This the fuel pump, It is difficult for shade tree mech to drain gas tank ( where are you going to fut gas) remove gas tank straps carefully lower tank until you can reach in and unplug wring connector (sometimes they will be stubborn and hard to remove, now you can lower tank and install fuel pump. Assemble in reverse order. Now if you want to know why the new pump isn't running you will need to replace ECM $$$$

Jun 02, 2017 | Chrysler Cars & Trucks

1 Answer

Fuel line location?


You did not mention type of vehicle but will give a general answer. If older vehicle with carb then fuel line comes from fuel pump right on engine and goes into carb with a fairly large metal line. On anything newer there are several lines because fuel injection requires constant high pressure in system. So fuel is pumped from a pump located in tank all the way through large line down length of car to fuel rail under hood. The fuel rail has a pressure regulator and whatever fuel is not needed is pumped back to tank in second line. These lines run together all the way from tank and are fairly large diameter. Bigger than brake lines. So look for two lines coming under vehicle to top of engine.

Feb 24, 2015 | Cars & Trucks

1 Answer

2001 dodge grand caravan no fuel at fuel rail


Is there a pump in the tank ?. I am not familiar with this car, but I had a similar problem with my Citroen Diesel, /Peugeot simila. and the low pressure pump in the Fuel tank had failed. In the car stated the tank is under the rear seat, and entry can be gained to the tank/pump from here

Jan 05, 2014 | Dodge Grand Caravan Cars & Trucks

1 Answer

Where does the fuel line at the end of the injector rail run to on a 1991 rodeo


All fuel injected systems have a feed line to the engine's fuel rail to keep constant pressure at the injectors fuel entry point. A tiny bit goes into the engine cylinders when the computer allows the injector to open by a signal pulse.
And the rest of the fuel in the rail is pushed by the pump back to the gas tank by a Fuel Return Line (what you are seeing and the other line in all fuel injected systems.
Think about it. The pump is running constantly (with the engine), so to avoid pressure build-up, or having to continually turn the pump on and off, voila, put in a return line after a pressure regulator gets the pressure right in the rail, and let the excess go back to the tank. Pretty good idea: no stale gas left there on top of engine. I hope this helps you understand it better.

Nov 28, 2011 | Cars & Trucks

1 Answer

Free_Schematic_Diagram2000 toy tacoma fuel line


Don't have a diagram, but maybe I can help. Do you see the injectors? They are held on by o-rings to the "fuel rail". On a v-6, there would be two fuel rails connected together with piping. The line from your tank goes right into this fuel rail, and with the pump, keeps a steady pressure up to feed the injectors. On one end of the fuel rail is a small circular object with a vacuum line. That is your pressure regulator. It keeps the pressure constant, and the excess fuel goes out the regulator and into your fuel return line, back into the gas tank. The fuel rail would be on top of the intake manifold, bolted down. Hope this helps.

Oct 21, 2011 | Cars & Trucks

1 Answer

I put a new fuel pump in my 97 concorde, it ran just fine all the way home, but in the morning i wouldnt start. i put another pump in and the same thing happend. could this be a short somewhere?


Well, the fuel pump relay may not be getting electricity to the fuel pump.

Also, use the following procedure to test the fuel pump before changing it again:

TESTING Fig. 1: Connect the fuel pressure gauge C4799B or equivalent to the fuel rail service valve - 3.3L shown 88175g09.gif
Fig. 2: Checking the fuel pressure with a gauge - 3.5L shown 88175g10.gif
Fig. 3: Checking the pressure between the pump and the filter 88175g11.gif
Fig. 4: Place the other end of the adapter 6668 into an approved gasoline container 88175g12.gif
  1. Release the fuel system pressure as described in earlier in this section.
  2. Remove the protective cover from the service valve on the fuel rail.
  3. Connect fuel pressure gauge C-4799B or equivalent to the fuel rail service valve.
  4. Place the ignition key in the ON position. Using the DRB III tester or equivalent, access the ASD fuel system test. (The ASD fuel system test will activate the fuel pump and pressurize the system.)
  5. If the gauge reading equals the specifications, then further testing is not required. Without vacuum applied to the regulator, the 3.3L engine fuel system operates at 55 psi (379 kPa). With the engine idling and the manifold vacuum applied to the regulator, the system operates at approximately 46 psi (317 kPa). Without vacuum applied to the regulator, the 3.5L engine fuel system operates at 48 psi (331 kPa). With the engine idling and the manifold vacuum applied to the regulator, the system operates at approximately 39 psi (269 kPa). The fuel system pressure varies with the different amounts of manifold vacuum applied to the regulator. If the pressure is not correct, record the pressure and remove the gauge.
  6. Ensure that the fuel does not leak from the fuel rail service valve. Install the protective cover onto the fuel rail service valve.
  7. If the fuel pressure reading was below the specifications, test the system according to the following procedure:
    1. Perform the fuel pressure release procedure.
    2. Install a fuel gauge C4799 and fuel adapter 6631 or equivalent in the fuel supply line between the tank and the fuel filter.
    3. Using the DRB III scan tool or equivalent, with the ignition key in the ON position, repeat the ASD fuel system test.
  8. If the pressure is at least 5 psi (1 kPa) or higher than the reading recorded, replace the fuel filter.
  9. If no change is observed, gently squeeze the return hose. If the pressure increases, replace the pressure regulator. If the gauge reading does not change when the return hose is squeezed, the problem is either a plugged inlet strainer or defective fuel pump.
  10. If the fuel pressure reading was above the specifications test the system according to the following procedure:
    1. Perform the pressure release procedure.
    2. Install fuel pressure gauge C4799 and adapter 6631 or equivalent in the fuel supply line between the fuel tank and the fuel filter.
    3. Remove the fuel return line hose from the pump at the tank. Connect pressure test adapter 6668 or equivalent to the return line. Place the other end of adapter 6668 into an approved gasoline container. A minimum of 2 gallon tank should be sufficient. All return fuel will flow into the container.
    4. Using the DRB III scan tool or its equivalent, with the ignition key in the ON position, repeat the ASD fuel system test.
  11. If the pressure is now correct, replace the fuel pump.
  12. If the pressure is still above specifications, remove the fuel return hose from the chassis fuel tubes (at the engine) and attach fuel pressure test adapter 6668 or equivalent to the return tube. Place the other end of the hose in the clean container, repeat the test. If the pressure is now correct, check for a restricted fuel return line. If there is no change observed, replace the fuel pressure regulator.
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Oct 08, 2010 | 1997 Chrysler Concorde

2 Answers

How do you change the fuel pump? is there a access panel and if so where is it located?


Removal & Installation
To Remove:


  1. Before servicing the vehicle, refer to the precautions at the beginning of
    this section.
  2. Release fuel pressure.
  3. Remove or disconnect the following:

    • The rear seat





      Electrical Connector
      dod_intrpd_fuel__tank_elec_conn.gif



    • The fuel pump electrical connector





      Battery Cable
      dod_intrpd_batt_conn.gif



    • Battery cable

  4. Raise and safely support the vehicle
  5. Remove or disconnect the following:





    Fuel Tank Drain
    dod_intrpd_fuel_tank_drain.gif




    • Fuel from fuel tank





      Stabilizer Bar
      dod_intrpd_stab_bar.gif








      Stabilizer Bar and EVAP Canister
      dod_intrpd_evap_cann.gif



    • The rear stabilizer bar brackets from body
    • Stabilizer bar toward rear of vehicle





      Fuel Filler Tube
      dod_intrpd_filler_tube.gif



    • The fuel filler tube from fuel tank





      Fuel And EVAP Lines
      dod_intrpd_fuel_evap_lines.gif



    • Fuel and EVAP lines

  6. Position transmission jack under fuel tank assembly.
  7. Remove fuel tank straps bolts passenger side first.
  8. Lower fuel tank and remove the purge line and vent line.
  9. Disconnect fuel line from fuel pump module by depressing quick connect
    retainers with thumb and fore finger.
  10. Slide fuel pump module electrical connector lock to unlock.
  11. Disconnect the electrical connection from the fuel pump module, by pushing
    down on connector retainer and pulling connector off of module.





    Fuel Tank Locknut
    dod_intrpd_fuel_tank_tool__nut.gif



  12. Use Special Tool # 6856 to remove fuel pump module locknut.
  13. Remove fuel pump and O-ring seal from tank. Discard old seal.

To Install:


  1. Wipe seal area of tank clean and place a new seal in position in the tank
    opening.





    Fuel Tank Locator
    dod_intrpd_fuel_pump_loctr.gif



  2. Position fuel pump in the tank.

    • Make sure the alignment tabs on the underside of the fuel pump module flange
      sits in the notches on the fuel tank.

  3. Position the locknut over the fuel pump module.
  4. Tighten the locknut using Special Tool # 6856

    • Torque to: 40.5 ft. lbs. (55 Nm)

    CAUTION
    Over tightening the pump lock ring may
    result in a leak.

  5. Position the fuel tank on the transmission stand.
  6. Install or connect the following:

    • Fuel pump electrical connector into hole in the body
    • The purge and vent lines
    • Fuel tank and tank straps
    • The fuel filler tube and tighten the clamp
    • The stabilizer bar and install bolts

  7. Lower vehicle.
  8. Install or connect the following:

    • The fuel pump electrical connector that is in the rear seat
    • The rear seat
    • The battery cable

  9. Fill fuel tank.
  10. Use the DRB or equivalent scan tool to pressurize the fuel system.
  11. Check for leaks.


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Sep 23, 2010 | 1999 Chrysler Concorde

2 Answers

Will not get fuel


Dodge puts there fuel pump inside the tank. It is usually good for 100k miles. You need to see if the pump is getting power.
Check the fuse and relay first.
What have you done so far? What tests have you run to narrow it down?

Apr 21, 2010 | 1999 Dodge Ram

2 Answers

Fuel Pump needs replacing with a full tank of gas on my '97 Chrysler Concorde


I doubt their is an access to the fuel pump threw floor board MABY in trunk the proper procedure would be this 1. Get the part 2. Disconnect neg. batt termanal 3. Drain the tank (fuel pumps like to quit on a full tank for some reason). 4. disconnect filler neck, fuel lines and wire harness (you may have to lower tank a little to get the lines and harness) 5. remove support straps 6. Lower tank 7. clean off top of tank where the pump comes out. 8. using a brass punch or something non sparking remove the lock holding pump assembly in tank. 9. carefully!! remove pump. 10. install new strainer on new pump and install. you might buy a new filter as well as most new pumps require this for warrenty on the ground with hand tools this can be done in aprox 3-4 hours!!

Apr 17, 2009 | 1997 Chrysler Concorde

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