Question about 1997 Dodge Intrepid

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Fuel injector could you explain how to install new O rings on my fuel injector.

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  • Dodge Master
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Check THIS out for a step-by-step guide.

Posted on Oct 13, 2008

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2002 fatboy fuel injected replace crank sensor coil plugs injectors repaired harness keeps dumping fuel in rear cylinder


injectors are sealed where they go in the manifold by "O" rings
If you didn't use new "O" rings when replacing the injectors or used lubricant like grease to help install the injector through the rings ,it is possible that fuel pressure is allowing fuel past the injector tip into the cylinder.

Jul 29, 2015 | Cars & Trucks

1 Answer

How do i replace fuel rail in 96 grand am 3100


disconnect the fuel lines at the fuel rail.then follow the fuel rail to disconnect every thing fastened to it,find the hold down bolts that fasten it to the motor(intake).unbolt the bolts.now you should blow any dirt around the areas were the fuel injectors go into the intake.disconnect the injector electrical plugs.pull the fuel rail and injectors together out of the car.you may need something to pry the rail/injectors up as it will be stuck to the intake.once out then you can remove the locking clips that hold the rail to the injectors and separate the injectors from the rail.install the injectors into the new rail in the same position as they were in the old rail.use a lubricant on the O rings when installing the injectors onto the new rail and insert the lock clips.lube the injector O rings on the end that goes into the intake and re-install in reverse order.reconnect items in reverse order and you can start the car.check for gas leaks.NOTE:if the O rings are cracked of broken replace with new injector O rings.

Apr 24, 2011 | Pontiac Grand Am Cars & Trucks

1 Answer

I have a 1999 Saturn 4 cyl. The engine idles around 1200rpm. Even during normal driving the engine still idles high even after warm up. Sometimes the engine won't start after it has sat for 15 minutes or...


leaking o-rings at the fuel injectors would explain the hard starting when warm-when you hold the petal to the floor, it shuts off the injectors, which will make it possible to start it after the injectors leak down on shutdown. O-rings are easy to replace, just disconnect the battery and pull the injectors straight up to remove, get the old rings out and install the new ones, light lubricate the base of the injectors and pop them back in.

that might explain the high idle too, although usually the idle is not consistent when the injectors are leaking at idle-idle is rough. I would make sure the engine coolant temperature sensor is new (they are very important on saturn, the original one is plastic and they are known to crack easily-the replacement should be brass)-also, check the Idle air controller, best to remove the throttle body (4 bolts) and remove the IAC and clean it thoroughly, being careful not to get the top half wet-sensitive electronics. Clean the post that the IAC goes into, and clean the throttle body (both sides) while you have it out.

Feb 21, 2011 | 1999 Saturn SL

2 Answers

I need to replace the #2 fuel injector. Is this something a layman such as I can accomplish?


You could do it, but remember gasoline is flammable and volatile and can be hazardous to work with: REMOVAL AND INSTALLATION 1.9L Engines
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Fuel rail
    • Fuel injector retaining clip off the injector
    • Fuel injector
    • Fuel injector O-rings and discard them Fig. 1: Fuel injector identification-1.9L engine 9306zg58.gif
    To install: NOTE: The SOHC and DOHC fuel injectors are not interchangeable. The injectors are identified by a color coded plastic ring near the bottom of the injector. The SOHC injector has a blue ring near the O-ring that mates to the intake manifold and the DOHC has a pink ring.
  4. Lubricate the new fuel injector O-ring with clean engine oil.
  5. Install or connect the following:
    • New O-ring seals on the fuel injector
    • Retaining clip to the fuel injector
    • Fuel injector to the fuel rail
    • Fuel rail
    • Negative battery cable
  6. Start the vehicle and check for leaks, repair if necessary.
2.2L and 3.0L Engines
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Fuel rail
    • Fuel injector retaining clip off the injector
    • Fuel injector
    • Fuel injector O-rings and discard them
Fig. 2: Remove the retainer clip from the fuel injector - 2.2L and 3.0L engines 9306zg59.gif
To install:
  1. Lubricate the new fuel injector O-ring with clean engine oil.
  2. Install or connect the following:
    • New O-ring seals on the fuel injector
    • Retaining clip to the fuel injector
    • Fuel injector to the fuel rail
    • Fuel rail
    • Negative battery cable
  3. Start the vehicle and check for leaks, repair if necessary.
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Feb 14, 2011 | 1999 Saturn SL

1 Answer

Replace fuel inj 2009 lincoln ls 3.9 eng


Check this procedure about V8 3.9L Fuel Injectors - Removal & Installation
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Relieve fuel system pressure.
  3. Remove or disconnect the following:
    Negative battery cable Engine appearance covers Fuel lines Fuel pressure regulator Fuel cross over elbow Fuel injector connectors Fuel injector clamping plates Fuel injectors
To install:
  1. Install or connect the following:
    Fuel injectors. Use new O-ring seals. Fuel injector clamping plates Fuel injector connectors Fuel cross over elbow Fuel pressure regulator Fuel lines Engine appearance covers Negative battery cable
  2. Start the engine and check for leaks.

  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Disconnect the negative battery cable.
    CAUTION The engine appearance cover is equipped with a noise suppressor. If the noise suppressor becomes separated from the engine appearance cover it must be positioned on the intake manifold prior to installing the engine appearance cover.
  3. Remove the engine appearance cover and the noise suppressor, if detached.
  4. Remove the air cleaner outlet pipe.
  5. Release the fuel system pressure.
  6. Remove the four engine appearance cover mounting bracket nuts and the brackets.
  7. Disconnect the fuel pressure sensor electrical connector from the sensor.
  8. Disconnect the fuel pressure sensor vacuum connector from the sensor.
  9. Disconnect the eight fuel injector electrical connectors from the injectors.
  10. Disconnect the fuel temperature sensor electrical connector from the sensor.
  11. Disconnect the fuel supply tube retaining clip from the fuel injection supply manifold.
  12. Disconnect the fuel supply tube spring lock coupling.
  13. Remove the four bolts and the fuel injection supply manifold and fuel injectors as an assembly.
  14. Remove the fuel injectors from the fuel injection supply manifold.
    CAUTION Use O-ring seals that are made of special fuel-resistant material. Use of ordinary O-ring seals can cause the fuel system to leak. Do not reuse the O-ring seals.
  15. Remove and discard the 16 O-ring seals from the fuel injectors.

    zjlimited_467.jpg

    Fig. Exploded view of the fuel injector mounting-3.9L engine shown

To install:
  1. Lubricate the new fuel injector O-ring seals with clean engine oil before installing.
    CAUTION Use O-ring seals that are made of special fuel-resistant material. Use of ordinary O-rings can cause the fuel system to leak. Do not reuse the O-ring seals.
  2. Install sixteen new O-ring seals onto the fuel injectors. Lubricate the O-ring seals with clean engine oil prior to installation.
  3. Install the fuel injectors and clips onto the fuel rail.
  4. Install the fuel rail and injectors as an assembly. Tighten the fuel rail bolts to 89 inch lbs. (10 Nm).
  5. Install the remaining components in the reverse order of removal.

Keep us updated.

Jan 14, 2011 | 2002 Lincoln LS

1 Answer

I have fuel leaking from the fuel rail at the 2nd injector from the front. The leak seems to be coming from where the metal of the fuel rail conects to the plastic....


Maybe an O-ring is leaking. Try a new injector that comes with an o-ring to be sure it's not the injector itself.
Fuel Injector - for V8

REMOVAL & INSTALLATION


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

    • Negative battery cable
    • Fuel rail
    • Fuel injector retaining clips
    • Fuel injectors

    To install:

  4. Install or connect the following:

    • Fuel injectors, using new O-rings
    • Fuel injector clips to the fuel rail
    • Fuel rail
    • Negative battery cable

  5. Start the vehicle and check for leaks, repair if necessary.

Oct 30, 2010 | 2002 Jeep Grand Cherokee

1 Answer

How do i chage the fuel injector for a geo metro 1997 LSI?


REMOVAL & INSTALLATION Fig. 1: Removing injectors from fuel rail 84245032.gif
Fig. 2: Make sure injectors rotate freely in cylinder head 84245033.gif
  1. Relieve fuel system pressure and disconnect the negative battery cable.
  2. Remove intake air hose between throttle body and intercooler.
  3. Remove accelerator cable.
  4. Unclamp PCV and fuel return hoses from deliver pipe.
  5. Unclamp injector wiring harness.
  6. Disconnect injector coupler.
  7. Remove cold start injector pipe from delivery pipe.
  8. Remove vacuum hose from pressure regulator.
  9. Remove fuel feed hose from delivery pipe.
  10. Remove pressure regulator from delivery pipe.
  11. Remove delivery pipe with injectors.
  12. Remove injectors from delivery pipe. To install:
  13. Replace injector O-rings and lubricate with fuel. NOTE: Make sure injectors rotate smoothly. If not, probable cause is incorrect installation of O-ring.
  14. Check if insulator is scored or damaged. If it is, replace with new one.
  15. Connect delivery pipe with injectors.
  16. Install pressure regulator to delivery pipe using a new O-ring.
  17. Install fuel feed hose to delivery pipe.
  18. Install vacuum and fuel return hoses to pressure regulator and clamp securely.
  19. Install cold start injector pipe to delivery pipe using new gaskets.
  20. Install injector coupler. Clamp injector wiring harness.
  21. Install PCV hose to cylinder head.
  22. Install throttle position sensor coupler.
  23. Install accelerator cable and adjust free-play.
  24. Install intake air hose to throttle body and intercooler.
  25. Connect the negative battery cable.
  26. Start engine and check for leaks.
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Jul 03, 2010 | 1997 Geo Metro

1 Answer

How do I replace a fuel injector in a 1986 jeep Cherokee 2.5liter


1.) Remove air inlet elbow and hose.
2.) Remove injector wiring connector and injector retainer clip.
3.) Using small pliers, carefully grasp center collar of injector between electrical terminals and carefully remove injector with lifting-twisting motion. Discard both "O" rings.

To iInstall
Using light oil, lubricate new upper and lower "O" rings. Install them in housing bore. Install back-up ring over upper "O" ring. Position replacement injector in fuel body. Center nozzle in lower housing bore. Use pushing-twisting motion to seat injector. Align wire connectors in proper orientation. Install retainer clip and screws. Connect injector wiring. Install air cleaner.

Apr 06, 2010 | 1986 Jeep Cherokee

2 Answers

After removing the fuel injectors and rail to remove the manifold, how do you reinstall the fuel injectors?


the same way you took it apart. put a little grease around the rubber seals so they will slide in easier. just tap on the fuel rail while lightly tapping it into place.

Mar 28, 2010 | 2002 Honda Passport

1 Answer

How to replace the fuel injectors on a 2002 Tahoe?


To Install:
  1. Lubricate the NEW fuel injector O-rings with clean engine oil.
  2. Install the O-rings on the fuel injector.
  3. Install a NEW retainer clip on the fuel injector.
  4. Install the fuel injector in the injector socket with the electrical connector facing outward. The retainer clip locks onto a flange at the fuel rail injector socket.
  5. Install the fuel rail.
NOTE: Use care in removing the fuel injectors in order to prevent damage to the electrical connector pins on the injector and to prevent damage to the nozzle. Service the fuel injector as a complete assembly only. The fuel injector is an electrical component. DO NOT immerse the fuel injector in any type of cleaner.

Mar 29, 2009 | 2002 Chevrolet Tahoe

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