Question about 2002 Chevrolet Impala

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Fuel leaking at back of engine where the hard plastic fuel line connects to the metal fuel rail for injectors. is there an

I pulled up and down on plastic line at connection with engine off and fuel dripped out, with the key on the fuel poured out.

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  • Expert
  • 155 Answers

Not sure what your question is, but the fuel pump runs when the ignition is turned on.

Posted on Oct 25, 2012

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Posted on Jan 02, 2017

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tripletauto
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SOURCE: Question Regarding Fuel Injectors

IT IS POSSIBLE and has been done. as long as when you disable ign it does not cause pcm to disable injector pulse.when you first cut key on they will spray a shot also. it is also a good way to check for a leaking injector,see if one drips after sitting a while. however if you have fire with a noid light and injector is not hitting it is most likely a bad injector

Posted on Feb 05, 2009

  • 24 Answers

SOURCE: 1991 S-10 Blazer replaced leaking fuel tank

Maybe the system needs to be bled, an air pocket somewhere?? Tey bleeding the fuel system.

Posted on Jun 10, 2009

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SOURCE: How to install a fuel line on rear fuel rail (back of engine)

I did this job on my 3.1 about 2 months ago and i forgot to put the ("O") ring on back fuel rail. had a fuel mess!! had to tear down plenum to fix, in my case i lost the o ring on rail and forgot to put 1 on. I had to order 1 from chevy garage, and replaced it. cost 9.00 just for 1 little o ring. mine fit tight also!! see if o ring is ok, and check line. car runs fine!!

Posted on Sep 10, 2009

roniecon
  • 6924 Answers

SOURCE: 2004 suburban changed engine and will not start,

Replace the cam sensor

Posted on Jul 05, 2010

  • 107 Answers

SOURCE: I need to replace the

pull the rails off, may take a little effort to remove because of O rings hold it in place. After you take fuel rales off make shore to replace the O ring's with new ones. lube the new O rings when reinstalling parts good luck CJ

Posted on Aug 03, 2010

Testimonial: "Thank you my friend. You'd think that the factory manual would be a little more helpful. Kind regards"

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03 3.7 have new o rings for bottom of injectors do you put it on the head first or on the injector just put head gaskets on jeep


old post but see it asked many times.
assemble the rail first, its 1 piece so must be ready first.
3.7L Engine (FSM) RTM?
(1) If fuel injectors are to be installed, refer to Fuel
Injector Removal/Installation.
(2) Clean out fuel injector machined bores in
intake manifold.
(3) Apply a small amount of engine oil to each fuel
injector o-ring. This will help in fuel rail installation.
(4) Position fuel rail/fuel injector assembly to
machined injector openings in cylinder head.
(5) Guide each injector into cylinder head. Be careful
not to tear injector o-rings.
(6) Push right side of fuel rail down until fuel
injectors have bottomed on cylinder head shoulder.
Push left fuel rail down until injectors have bottomed
on cylinder head shoulder.
(7) Install 4 fuel rail mounting bolts and tighten.
Refer to torque specifications.
(8) Install 6 ignition coils. Refer to Ignition Coil
Removal/Installation.
(9) Connect electrical connectors to throttle body.
(10) Connect electrical connectors at all fuel injectors.
To install connector, refer to (Fig. 37). Push connector
onto injector (1) and then push and lock red
colored slider (2). Verify connector is locked to injector
by lightly tugging on connector.
(11) Connect necessary vacuum lines to throttle
body.
(12) Connect fuel line latch clip and fuel line to
fuel rail. Refer to Quick-Connect Fittings.
(13) Install air box to throttle body.
(14) Install air duct to air box.
(15) Connect battery cable to battery.
(16) Start engine and check for leaks.

Oct 07, 2014 | Jeep Cars & Trucks

1 Answer

Jingling sound from front of engine


Don't worry about the sound, Find the gas leak. Fuel lines come in on the drivers side. Then you have the injectors. on the fuel rail. on the fuel rail there is a pressure regulator. All this needs checked. Fuel lines on the engine are metal. BUT coming up to the metal lines, they are plastic. LOOK for wet spots.. FIX them. The regulator is on the fuel rail/ with the injectors. LOOK for wet spot at these locations also... There are also other locations under the car to find gas leaks....Fix this first...

Aug 19, 2014 | 2002 Ford Escort

1 Answer

1993 dodge dinesty 3.4 fuel rail leaks how can i repair


If the metal fuel rail itself has a leak, it should be replaced. If it is leaking by an injector, the O-rings on the injectors need to be checked and probably replaced. If a fuel line to the rail is leaking, that will have to be repaired. There will be two fuel lines at the rail, the feed line in from the gas tank, and a return line from the rail back to the tank. If there is a pressure regulator on the fuel rail (it will have a short vacuum line hose to it), the regulator may also have an o-ring to keep from leaking where it mounts.

May 25, 2014 | 1993 Dodge Dynasty

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

Gas line leaking by engine how do repair that?


Where is it leaking? If its at the fuel rail fuel pressure regulator you may need a new regulator if leaking on the metal part. If its leaking at the rail side its just the "O" ring. Relieve fuel pressure(push in valve under plastic cap right side beside alternator on rail. Remove the torx screw holding regulator bracket. Pry out and replace "O" ring, reassemble. If its not the regulator it may be a fuel injector, you need to remove the fuel rail and replace both the upper and lower injector "O" rings. This however needs the intake manifold removed to repair.

Jan 29, 2011 | 2002 Buick LeSabre

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

2 Answers

Gasoline leak in part on top of block of the 2000 buick cent 3.1L


sounds like a fuel injector is leaking they have seals
also check the fuel rail for leaks there should not be any fuel coming from inside the engine, unless u have a crack in the intake someware

Feb 24, 2010 | 2000 Buick Century

2 Answers

What does it take to put in the injectors


It's not easy but it's not hard. Just some stuff in the way. You see the chrome rails? That's the fuel supply to the injectors. You will see they're bolted to the lower half of the intake manifold. Unbolt them and carefully lift the rail off the injectors. If your rig has stuff in the way of the rails, remove it as you go. The rest of it just requires you pulling out the old injectors.

Nov 19, 2009 | 1999 Ford Expedition

1 Answer

How to remove fuel injectors on a 1987 volkswagon cabriolet


Do you have the EFI or the CIS injection? If you have a metal device on top of your air box with braided metal lines going to each cylinder it's CIS. If there are no braided metal lines, then it's EFI. If it's EFI, then the injectors are held in by the fuel rail and the fuel rail bolts down to the head with 2 or more bolts. Remove those bolts and pull the rail... HARD. If you've never removed them it will be a hassle. If it's the CIS, then the injectors are held in by a snap ring retainer. They can be removed with a flat screwdriver or a strong pair of needle nose. Once that retainer is pulled out, the single injector will pull out (pull hard). Good luck.

Jul 14, 2009 | 1985 Volkswagen Cabriolet

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